10 pillbugs were needed in the Pillbug experiment to get good information. Thus, option (c) is the correct answer.
Pillbugs are categorized as terrestrial isopods and are in the crustacea family. Pill bugs are simple to acquire, to maintain, odourless and easy to handle. They make the perfect experimental subject.
The Pillbug experiment by McGraw Hill aims to understand how pillbugs behave in both damp and dry settings. The study is conducted by watching their behavior, taking into account how often they circle and spin.
The purpose of the Pillbug experiment is to determine if pillbugs, often known as roly-polys, prefer light or darkness. They are cold-blooded, slow-moving organisms whose surroundings regulate their body temperatures.
The complete question is:
In the Pillbug experiment, how many Pillbugs did you need to use to get good information for the experiment?
A. 100
B. 1
C. 10
D. 4
E. 5
Learn more about the Pillbug experiment here:
https://brainly.com/question/28072865
#SPJ9
Which statement is correct about scientific laws and theories?
They can change into one another.
They both describe a phenomenon.
They serve different purposes in science.
They both explain a phenomenon.
The statement that is correct about scientific laws and theories is they both explain a phenomenon. The correct option is D.
What are a theory and a scientific law?A theory is an explanation of any scientific phenomenon. The theory is given by experimenting with any phenomenon by using variables and testing them, then giving the theory.
A scientific law is a law that is made about any phenomenon in nature. They both explain the secrets of things in the natural world. They have verified forms.
Thus, the correct option is D. They both explain a phenomenon.
To learn more about theory and scientific law, refer to the link:
https://brainly.com/question/15189105
#SPJ1
How do transport proteins make it easier for certain
molecules to diffuse across a membrane?
Answer:
They create a channel/tunnel for them to go through the membrane without coming in contact with it.
Which kind of organism obtains energy directly from the sun?
A. decomposers
B. omnivores
C. herbivores
D. producers
Answer: D producer
Explanation: The answer has to do with trophic levels. As you probably know, the organisms at the base of the food chain are photosynthetic; plants on land and phytoplankton (algae) in the oceans. These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients.
Answer:
Producers
Explanation:
The first trophic level in a food chain consists of producers. As the name says, they are able to take in sunlight and convert it into chemical energy. Hence can use the energy directly from the sun due to special pigments on their body. Examples: Green plants.
A 40-kilogram student on an inner tube is pulled by a boat. The force from the boat results in the student accelerating a 2 m/sec2 . Calculate the net force needed to cause this acceleration.
The net force needed to cause this acceleration on the student is 80 N.
What is the net force acting on the body to cause the students to accelerate at 2.m/s²?Force is a defined as any push or pull agent that cause a change in the state of rest or motion of a body.
This force that brings about these changes is known as a net force since they are unbalanced by an equal oppositely directed reaction force.
Net forces cause a body at rest to move or a moving body to stop or change direction.
The formula to calculate net force is given below:
Force = mass * accelerationFrom the data provided:
mass of the boy = 4 kg
acceleration on the boy = 2 m/s²
Net force on the boy = 40 kg * 2 m/s²
Net force on the boy = 80 N
Learn more about net force at: https://brainly.com/question/14361879
#SPJ1
Question 1 of 10
A researcher observed an amoeba under a microscope. While she watched,
the amoeba moved toward a smaller object, surrounded it, and brought the
object inside itself. Which two characteristics of life did the amoeba
demonstrate?
A. Evolution
B. Reproduction
C. Obtaining matter and energy
D. Response to stimuli
← PREVIOUS
SUBMIT
Answer:
B, but I'm not 100% sure if uts B though
The amoeba demonstrated two characteristics of life: C. Obtaining matter and energy and D. Response to stimuli. Therefore option C and D is Correct.
By moving toward a smaller object and engulfing it, the amoeba showcased the characteristic of obtaining matter and energy, as it consumed the object to nourish itself and carry out its life processes.
Additionally, the movement toward the smaller object reflects the amoeba's ability to respond to stimuli, indicating its sensitivity to its environment.
Both of these characteristics are fundamental attributes of living organisms, where they interact with their surroundings, acquire nutrients, and respond to stimuli to maintain their life functions and survival.
Therefore option C Obtaining matter and energy and D Response to stimuli is Correct.
Know more about amoeba:
https://brainly.com/question/14425044
#SPJ5
Which of the following abiotic factors has the greatest influence on the population of deer that lives herds? Explain. Predatory animals Minerals found in the soil Temperature Bacterial infections
Option C: Temperature is the abiotic factor that has the greatest influence on the populations of the deer that live in the herd.
A deer population in an ecosystem is majorly influenced by the factors like climate, habitat, predators and availability of food. While temperature is the abiotic factor that may influence deer population for a herd.
Abiotic factors are the nonliving components of the environment that influence living beings and the ecosystem. Soil, water, sunlight, oxygen and temperature are the major abiotic factors that can influence the biotic components of an ecosystem.
Deer are highly valued and unique members of a wildlife heritage. They have been contributing to the benefit of the human population for much longer. Hence, they are trying to preserve a landscape by applying strategies to save them and provide an appropriate environment to the deer populations.
Out of the factors that influence deer populations, temperature is the only abiotic factor given in the question. Hence, option C is the correct answer.
To know more about abiotic factors, refer to the following link:
https://brainly.com/question/12689972
#SPJ1
QUESTION 1
Name the species interaction.
The strangler fig (Ficus crassicuscula) begins as a seed dropped by a bird or monkey into the tree canopy. The seed sprouts and tendrils
grow downward and around the host tree. Finally the tendrils reach the ground where they grow their own root system. As the strangler fig
continues to grow around the host tree, the host often dies either as a result of the fig strangling it or from lack of sun as the strangler fig
shades the host tree. The strangler fig then consumes the nutrients of its decaying host.
OA. Commenalism
OB. Resource Partitioning
OC. Competition
O D. Parasitism
Interaction between species is called parasitism, as option D shows.
What is parasitism?It is a disharmonious relationship between two living beings.It is a relationship where only one of the individuals benefits while the other suffers harm.A parasite is a living being that takes advantage of another living being's resources, stealing them completely. An example of this is the strangler fig which uses the structure of another plant to get sunlight and nutrients.
The strangler fig does not supply the host plant with anything, but absorbs its nutrients and prevents it from receiving sunlight, causing it to slowly die.
In this case, we can see a clear example of parasitism.
Learn more about parasitism at the link:
https://brainly.com/question/16712707
#SPJ1
What is some examples of scientific hypothesis?
Nucleic acids contain three basic components. Which one of these is NOT
one of them.
a. A 5-carbon sugar
O b. A phosphate
O c. A nitrogenous base
O d. A carbonyl
Answer:
O d. A carbonyl
Explanation:
Nucleotides have three components: pentose sugar (5-carbon sugar), phosphate group, and nitrogenous base.
What is the trend between 20-30 years in the kelp population?
The tresnd is decreasing because of the loss in kelp production due to sea urchins.
There are algae that are unicellular to multicellular in structure and they have a thalloid body that is not divided into the stem root and leaves to normal plant body having the root stem and leaves and they show and live in a wide range of habitats like in water, snow, land, marshy areas, etc and the algae have different kind of pigments like chlorophyll a, b, c, d and xanthophyll, carotenoids and according to this they are divided into green, brown, red and golden algae and the largest brown algae are called as kelps which is the largest seaweed found in the floors opf oceans and it is served as food for humans and also for sea urchins and the number of sea urchins is increasing which inturn increases the environmental pressure and they are used to eat as well the trend in the 20 to 30 years in the kelp population is that it is reducing because of sea urchins the aquatic animals because they eat kelps and clip the bottonms and due to which the sea urchins stop the keps from regrwoing as the sea urchins live there so the habitat of kelps is being lost .
To know more about algae click at https://brainly.com/question/4289110
#SPJ9
give three characteristic features of amphibians which help to differentiate them from fishes
Answer:
Academic ___________ is applying honesty and trustworthiness to your learning .
Fill in the Sentence!
Answer:
Plants use glucose as food. Glucose allows plants to carry out important cell functions. Plants grow and reproduce using the glucose they produced during photosynthesis.
Explanation:
First blank: Glucose
Second blank: Cell
Third blank: Reproduce
Forth blank: Photosynthesis
Plants use glucose as food. Glucose allows plants to carry out important cell functions. Plants grow and reproduce using the glucose they produced during photosynthesis.
What is photosynthesis?Photosynthesis can be described as a process used by plants and other organisms to convert light energy into chemical energy which through cellular respiration, can release energy in the form of ATP to fuel the organism's activities.
Plants produce glucose during photosynthesis which is then stored as starch or converted to other molecules. The oxidation of glucose during cellular respiration provides plants with energy used by plants to carry out important cell functions.
Considering the given question above:
The first blank is Glucose.
The second blank is cell.
The third blank is reproduce
The fourth blank is photosynthesis.
Learn more about photosynthesis at:
https://brainly.com/question/19160081
#SPJ1
need help please!!!
I need a summary on the continental drift theory!!
12 In a key about
fish, the species
are identified by
the length of their
bodies and by play
their body mass. Is
this key reliable?
Explain your
answer.
Yes, fish species can be distinguished from one another based on their mass and body length.
Which species do you mean?A biological species is a collection of animals that can reproduce with one another in the wild and produce healthy offspring.
Briefing:Every fish's body index is measured twice in relation to its usual value.Parallels between the two distinct fish circumstances and the parasite load are possible.Since parasite tissues are not host tissues, they were not taken into account when calculating a fish's mass for an index of bodily condition.If parasite mass was not taken into consideration, fish body condition was found to be overstated; as a result, there was a positive link between relative parasite mass and the level of overestimation of individual fish condition.Helminth parasites have no discernible impact on fish health, and fish health has no impact on parasite load.To know more about Species visit:
https://brainly.com/question/13259455
#SPJ9
What makes a "controlled experiment"?
Please help me fast i am so tired with this question
Answer:
C
Explanation:
Structure is the correct answer because of the turgor pressure
Plss help meee pls :’0
Choose a plant structure and animal structure that serve a similar function in each
organism. Describe the structures and how they each organism survive.
Answer:
All living things, plant and animal, are made up of strikingly similar microscopic building blocks called cells, the basic structural and functional units of life.
Explanation:
Cells are in both animals and plants and will always operate the same. They might not be in the same place, but they all do the same thing just about.
What is the function of the Earth's atmosphere?
A.To let the heat of the sun escape to outer space
B.To help UV radiations reach the surface of the Earth
C.To help keep our planet's temperature stable by trapping heat and radiation from the sun
D.None of the above
+ 11 points
Answer:
its "C"
Explanation:
On our planet we can survive thanks to a layer of different composition of gases that surrounds the whole Earth. This layer remains on Earth thanks to gravity. It is the earth's atmosphere, and it is difficult to determine exactly its thickness, since the gases that make it up become less dense with height, until they practically disappear a few hundred kilometers from the surface.
The atmosphere fulfills various functions for life on the planet and without it we would not be able to have life as we know it.
True or False: flip flops are appropriate lab
footwear?
Answer:
False
Explanation:
You have to wear close footwear just in case a chemical substance falls on you.
Describe and discuss the different notions of the self from the points of view of various philosophers across time and place
The different notions of the self from the points of view of various philosophers across time and place:
CarryOnLearning
The current volume explores the Self from a range of significant philosophical vantage points, including phenomenology, psychoanalysis, metaphysics, and neurophilosophy. It covers a wide range of specialised topics, including personal identification, self-distinction, psychopsychologies, and mind-body issues.
A self is just a person, a conscious, alive human being. The reflexive pronouns "myself" and "yourself" are formed with the particle "self," and they relate to people. The straightforward theory of selves is that they are people.
They are existentialism, pragmatism (also known as experientialism), realism, and idealism. We'll go over each one shortly. The foundation or root from which the various educational philosophies are created can be found in these four main frameworks.
Learn more about philosophers here:
https://brainly.com/question/13034448
#SPJ9
you decide to halve the time you spend in the shower each day and to turn off the water while you're brushing your teeth and washing your face at the sink. Evaluate the effect that these actions might have on two different aspects of the water cycle if every person in your neighborhood also performed them
Answer:
If every person in your neighborhood decided to cut the amount of water they use in half, that would have a tremendous positive effect on the water.
Explanation:
Reducing shower time and turning off water while brushing teeth conserves water, benefiting both water supply by preserving sources and reducing demand on treatment facilities.
By halving the time spent in the shower and turning off the water while brushing teeth and washing faces, individuals in the neighborhood can significantly reduce their water consumption. This would have a positive effect on both the supply and demand aspects of the water cycle. On the supply side, the reduced usage would decrease the strain on local water sources such as rivers, lakes, and underground aquifers. It would contribute to the conservation of these resources, promoting their sustainability and maintaining ecological balance.
On the demand side, the reduced water consumption would alleviate the pressure on wastewater treatment facilities, reducing energy requirements for water treatment and decreasing the discharge of treated water back into the environment. Overall, these actions would promote water conservation, help preserve natural water sources, and contribute to a more sustainable water cycle in the neighborhood.
To learn more about water follow the link:
https://brainly.com/question/1151425
#SPJ2
The complete question is:
You decide to halve the time you spend in the shower each day and to turn off the water while you're brushing your teeth and washing your face at the sink.
Required:
Evaluate the effect that these actions might have on two different aspects of the water cycle if every person in your neighborhood also performed them.
Question: What occurs when two glucose molecules bond?
1. Infer: Glucose is an example of a monosaccharide, the simplest type of carbohydrate. A
disaccharide is made from bonding two monosaccharides together.
What do you think the prefixes mono- and di- mean? Mono-:
Di-:
When two glucose molecules bond it forms maltose.
Maltose is a disaccharide made up of two units of glucose connected together by a bond. It is sometimes referred to as maltobiose or malt sugar. The two glucose molecules are connected together by a bond in the isomer isomaltose. Maltose is the two-unit member of the amylose homologous series, which is the main structural motif of starch.
It is found both naturally and artificially in a variety of foods, including beer, bread, breakfast cereals, and high-maltose corn syrup. Maltose can either be absorbed by the body and stored for later use or it can be broken down into glucose for immediate use. In essence, maltose is a crucial source of energy.
Learn more about glucose here;
https://brainly.com/question/2396657
#SPJ9
Hi can someone please help me with these!
19. Placebo group, because they’re testing it. Surgeries are known to work.
20. Surgery group, for the same reasons.
21. Knee functionality, because that (supposedly) DEPENDS on whether the patient gets a surgery or not.
22. Quantity and/or presence of tiger urine
23. Whether or not the deer are repelled, as that depends on the tiger urine.
24. Not sure for this one, sorry. It doesn’t look like there’s enough information present to identify a control group.
25. Sorry, but I’m not sure what this is. Hope the other answers help, though.
2. Timmy's mother was heterozygous for the freckles trait. Looking at the Punnett square for his grandparent's mating, what
was the probability of Timmy's mother having a different genotype? What was the probability of Timmy's mother having a
different phenotype?
The Punnett square is used to get the probabilities of getting offspring with different genotypes and phenotype. There were 0% chances that Timmy's mother could express a different genotype.
What is a Punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
Let us analyze Timmy's family.
Remember we are talking about a somatic diallelic gene taht expresses complete dominance,
F is the dominant allele and codes for frecklesf is the recessive allele and does not code for freckles.Family's genotypes
Timmy ⇒ FFSally ⇒ FfMother ⇒ FfFather ⇒ FfMaternal grandfather ⇒ FFMateral grandmother ⇒ ffTimmy's mother and father are heterozygous for this trait, meaning the genotypic ratios of their progeny is 1:2:1 (25% FF + 50% Ff + 25% ff).
Parents' cross: Ff x Ff
Punnett square) F f
F FF Ff
f Ff ff
F1)
25% of their progeny was expected to be homozygous dominant, FF, expressing freckles.
50% was expected to be heterozygous Ff expressing freckles.
25% was expected to be homozygous recessibe, ff, with no freckles.
The genotypic ratio of Timmy and Sally progeny will be 1:1 (50% FF + 50% Ff).
Timmy and Sally' cross: FF x Ff
Punnett square) F F
F FF FF
f Ff Ff
F1)
50% of their progeny are expected to be homozygous dominant, FF, expressing freckles.
50% are expected to be heterozygous Ff expressing freckles.
Grandparents' cross: FF x ff
Punnett square) F F
f Ff Ff
f Ff Ff
F1) Their whole progeny was expected to be heterozygous Ff expressing freckles.
There were 0% chances that Timmy's mother could express a different genotype.
You will learn more about Punnett squares at
https://brainly.com/question/25357981
#SPJ1
Complete question
Trait F is the Mendelian trait for freckles, where F is dominant over f.
Timmy is homozygous dominant for trait F.Timmy mates with Sally who is heterozygous for trait F.Timmy’s father and Timmy’s mother are both heterozygous for trait F.Timmy’s maternal grandmother (mother’s mother) is homozygous recessive for trait F. Timmy’s maternal grandfather (mother’s father) is homozygous dominant for trait F.Looking at the Punnett square for his grandparent's mating, what was the probability of Timmy's mother having a different genotype?
When demand for a product is low, the producer will
Answer:
The producer will lower prices
Explanation: If there is little demand for a product, the production for that product will If there is little demand for a product, the production for that product will.- A lack of market demand will force you to lower prices in order to move products off the shelves, while a lack of supply may cause prices to skyrocket.
Answer:
Lower the price to try to increase the demand
Explanation:
Earth is made of solid materials. Jupiter, Saturn, Uranus, and Neptune are all made of gas. Which is true about the density of these planets?
They are more dense than Earth.
They have no density.
They are less dense than Earth.
They have the same density as Earth.
Answer:
they are less dense than earth
How is the earth different from all of the other planets?
It has rocky surface
It is warmed by the sun
It has a breathable atmosphere
It rotates on its axis
it rotates on its axis.have a good day:)
How does phospholipid structure relate to the selective permeability of the plasma membrane?
Answer:
The structure of the plasma membrane makes it selectively permeable, enabling it to regulate the transport of substances into and out of the cell.
Explanation:
1 ×××÷÷÷=×÷×××5by the space root
Consider your knowledge about the cell membrane and check all of the true statements below
The statements that are true about cell membrane are:
In water, phospholipids spontaneously arrange into a bilayer.Steroids in cell membranes allow the membrane to be more fluid.Phospholipid bilayers surround all eukaryotic cells.Both plant and animal cell membranes are considered fluid mosaics.A biological barrier called the cell membrane isolates and safeguards the interior of all cells from the external environment. Cells make up all living things, including both eukaryotic and eukaryotic creatures, and all cells have cell membranes.
Phospholipids naturally form bilayers in an aqueous environment, with the hydrophilic heads of the phospholipids facing the water environment at the surface and the hydrophobic fatty acid chains being protected from the water on the inside. Steroids are lipids that intercalate into the plasma membrane's bilayer of a cell, making the cell membrane less fluid. Different biological functions for integral membrane proteins could exist. Permeases, for instance, are integral membrane proteins that aid in the passive diffusion of specific substances (such as glucose) across the cell membrane.
To know more about cell membrane refer to: https://brainly.com/question/13524386
#SPJ9
The complete question is:
consider your knowledge about the cell membrane and check all of the true statements below. Check All That Apply Cell membranes are present in only two of the three domains of life. Cell membranes are present in only two of the three domains of life. In water, phospholipids spontaneously arrange into a bilayer. In water, phospholipids spontaneously arrange into a bilayer. The area within a phospholipid bilayer, near the fatty acid tails, is hydrophilic. The area within a phospholipid bilayer, near the fatty acid tails, is hydrophilic. Steroids in cell membranes allow the membrane to be more fluid. Steroids in cell membranes allow the membrane to be more fluid. Phospholipid bilayers surround all eukaryotic cells. Phospholipid bilayers surround all eukaryotic cells. Membrane proteins offer structural support to the membrane but have no other function. Membrane proteins offer structural support to the membrane but have no other function. Both plant and animal cell membranes are considered fluid mosaics.
what are other ways that wite blood cells protect the body other than
producing antibodies
White blood cells engage in defence-related functions by consuming foreign objects and cell debris, eliminating pathogens and cancer cells, or by creating antibodies.
The immune system of the body includes white blood cells. They support the body's defences against illness and infection. Granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes are different types of white blood cells (T cells and B cells).
You run a higher risk of getting sick if your white blood cell count is low, especially if your neutrophil count is low. Additionally, your body is unable to defend itself if you contract an illness when your white blood cell count is low. In some situations, the infection might be fatal.
Learn more about white blood cells here:
https://brainly.com/question/17890844
#SPJ9