Answer:
cells
v
tissues
v
organs
v
organ system
v
organism
cells make tissues that build up organs to build a organ system then organism (you,a human)
cells are the building block for life
The level of organization in the human body initiates with the cell and process in the manner which is as follows:
Cell < Tissue < Organ < Organ system < Organism. What is the level of organization?The level of organization may be defined as the process of sequence from the structures that are simplest in nature. It is usually defined by part-whole relationships, with things at higher levels being composed of things at the next lower level.
In organisms, a cell is the fundamental structural and functional unit of life. The collection of cells constitutes the formation of tissue which makes an organ that plays a specific function. Groups of organs form organ systems. While all cells, tissues, organs, and organ systems combine in order to form multicellular organisms.
Therefore, the level of organization in the human body initiates with the cell and processes in the manner which is well-described above.
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Explain how genetic variation and environmental factors contribute to natural selection
Explanation:
Increasing genetic variation and the environmental effects on that variation form the basis for natural selection. A species with a great deal of genetic variability is more likely to survive as a species in a changing environment than a species with limited variability.
Disturbances in Ecosystems Quick Check
What is the function of a top predator in an ecosystem?(1 point)
-It helps increase the number of prey.
-It creates imbalance in the ecosystem.
-It increases the food for other predator species.
-It maintains other populations.
Which is considered a top predator in the ocean?(1 point)
-a sea lion
-a bird
-a small whale
-a shark
What happens to an ecosystem during normal seasonal flooding?(1 point)
-The biodiversity of the area stays the same.
-The biodiversity of the area reaches equilibrium.
-The biodiversity of the area decreases.
-The biodiversity of the area increases.
How is the impact of seasonal flooding different from damming a river?(1 point)
-Seasonal flooding is not considered an ecological disturbance like damming.
-Seasonal flooding does not impact biodiversity for as long term as damming.
-Seasonal flooding helps balance biodiversity, but damming does not.
-Seasonal flooding increases biodiversity, but damming does not.
Would a long-term increase in the average temperature of a region be considered a significant disturbance in the ecosystem?(1 point)
-No, because it would not create large-scale changes in the environment.
-Yes, because any slight change in temperature is considered a disruption.
-Yes, because such a change could have a large-scale impact on wildlife.
-No, because increases and decreases in average temperatures are normal.
Please help and thank you.
Answer:
D / D / D / B / C
Explanation:
I just took the quick check myself, got all of them right :)
1 ) Top predators do not increase the number of prey, neither do they create imbalance or increase the food for other predator species. This is common knowledge, so ruling those out you are left with D. As they do in fact maintain the rest of the food chains populations.
2) A top predator in the ocean is a shark. Of course some might mistake a small whale to be a top predator, but sharks are actually known to hunt whales- the small ones anyway. A sea lion fish or a bird wouldn't exactly be a candidate for the top of the food chain either.
3) During seasonal flooding, to an area such as a river, water gets added to the existing pool, and many biotics and abiotics take this to their advantage. As a result- biodiversity actually increases during these times, but once season flooding is over it goes back to being the same.
4) The impact difference of seasonal flooding from damming a river is actually quite big. Seasonal flooding is.. well.. seasonal.. while damming for the most part is permanent, or will be there for much longer time span than season flooding is. Seasonal flooding increases biodiversity, but damming does not. This is becuase of the long term increase of water, the environment has to readapt, as plants that were once there drowned, and the known species most likely ran off to find better environment. Here it takes a while but eventually new abiotic and biotic species adapt and reclaim the dammed area of the environment.
5) Yes, a long term increase in the average temperature would disturb the ecosystem. Even if it's for a little bit, it's still something the environment wouldn't be used to, meaning the plants and animals there would have to learn to adapt for the time being- even if its temporary.
1: It maintains other populations
2: A shark
3: The biodiversity of the area increases
4: Seasonal flooding does not impact biodiversity for as long term as damming.
5: Yes, because such a change could have a large-scale impact on wildlife.
A 3-column table with 2 rows titled Table 2 Diffusion Tests. Column 1 has entries Color of Solution in Dialysis Tube, Color of Solution in Beaker. Column 2 is labeled Step 4: Test for Diffusion Starch with entries Clear initial color and Black after 15 minutes, Yellow initial color and Yellow after 15 minutes. Column 3 is labeled step 7: Test for Diffusion of Glucose with entries Not observed, Light Blue initial color and Red after 15 minutes.
Analysis:
diffused though the semipermeable membrane.
Answer:
only glucose
Explanation:
The second student set up solutions that were in equilibrium.
On which principle Dialysis is based?Dialysis is based on the principles of osmosis, meaning the net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration. If the solute concentrations are the same on each side of the membrane, this spontaneous movement will not occur.
In passive diffusion, the small water molecules can move across the phospholipid bilayer seen in blue. This layer acts as a semi-permeable or selectively permeable membrane; its hydrophilic heads are attracted to water (seen facing outwards) while its water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.
Therefore, the second student set up solutions that were in equilibrium.
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white blood cells with long lobed nuclues are called....?
Answer:
polymorphonuclear leukocytes
How can a temporary lake create salt flats in Death Valley?
Answer:
A temporary lake create salt flats in Death Valley when Holocene lakes began to evaporate.
Explanation:
"Each time it has rained since, a new layer has been added. The flat is a vast area covered in salt that was deposited from evaporated water. When the water runs down the mountain, it dissolves minerals that precipitate out as the water evaporates."
Hope this helped!
Have a supercalifragilisticexpialidocious day!
A mutation in which cell would only affect the organism and not future generations
A. Sperm cell and lung cell
B. Sperm cell and egg cell
C. Nerve cell and brain cell
D. Egg cell and liver cell
Answer: B. sperm cell and egg cell
Explanation:
How are the equations for photosynthesis and cellular respiration related
HOPE THIS HELPS! :)
Notice that the equation for cellular respiration is the direct opposite of photosynthesis: Cellular Respiration: C 6 H 12 O 6 + 6O 2 → 6CO 2 + 6H 2 O. Photosynthesis: 6CO 2 + 6H 2 O → C 6 H 12 O 6 + 6O.
please help me there is 8 question please
Answer:
1. B mass/distance
2. B Gravitational attraction between the sun and Venus
3. A All objects would fly off into space
4. B Axis
5. A Rotation
6. A Increases
7. B Decreases
8. When there is no force acting on an object, it won’t change it’s path and will keep going straight until another force acts upon it.
Does grass convert water to energy
Answer:
No
Explanation:
Explain how a chemical reaction occurs using the following terms
Reactant
Product
Activation energy
Bond
Endothermic
Exothermic
Rate
A chemical reaction is a process where two or more reactants are converted to one or more products at a given rate, which requires a minimum amount of energy.
A reactant is a starting substance in a chemical reaction, whereas products are formed at the end of the reaction.The rate of reaction is the velocity of the chemical reaction.Activation energy refers to the minimum amount of energy required to activate reactants and thus start a chemical reaction. The chemical reactions store/release energy by destroying/building chemical bonds between atoms/molecules.Exothermic reactions release energy when the bonds are formed; whereas endothermic reactions consume energy.In conclusion, a chemical reaction is a process where two or more reactants are converted to one or more products at a given rate, which requires energy. These reactions can be exothermic processes or endothermic processes.
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Intermolecular forces hold biomolecules together. They are also found between biomolecules. Which of these is a place you would expect to find hydrogen bond in a biomolecule?
a) between amino acids in a protein
b) between adenine and thymine in DNA
c) between the ribose and phosphate in RNA
d) between glucose and fructose in a sucrose molecule
(USA Test Prep)
Answer: B.
Explanation:
Answer:
B) Between adenine and thymine in DNA
Explanation:
A hydrogen bond would be found between adenine and thymine in DNA.
Peptide bonds- found in proteins
Covalent bonds - found in the backbone of nucleic acids
Glycosidic links - found in carbohydrates such as sucrose
Therefore, the only answer left, after you cross out the other from the information above, is B: Between adenine and thymine in DNA
Which of the following is not directly involved in protein synthesis?
tRNA
mRNA
Ribosomes
Mitochondria
help me plz i’ll give extra points
Answer: see below
Explanation:
So, kinetic energy means an object is already in motion. Potential energy, means an object has the potential to transfer energy but is idle. Mechanical energy is something like a wheel turning. That is also correlated with kinetic energy. Which in turn, means when a wheel rotates, the object is in motion. Therefore transferring energy.
an individual with this karyotype would be described as
Answer:
it's option c
Answer:
a normal male with a translocation mutation.
we should not touch and test acid. Give reason why?
Answer:
because the toxic of it can burn your skin the toxic of acid is very dangerous so we couldn't touch it if we touch it our skin or your skin will burn or turn it into ashes
Why do we shiver when we’re cold?
Answer:
A shiver is caused by your muscles tightening and relaxing in rapid succession. This involuntary muscle movement is your body's natural response to getting colder and trying to warm up.
You shiver when your cold because your body kinda since's when your cold and you start shivering to make your body warm-up.
Hope This Helps! Have A GREAT Day!!!How can I identify an organelle? Please help I have till 11:59 to answer this question.
Answer:
Shape and size?
Explanation:
Identify three ways in which water is stored.
How did the mutation change the hemoglobin protein?
ASAP
Answer: A mutation Changes by its mistake in the DNA which results in the wrong amino acid being incorporated into a protein because of change, that single DNA sequence change, results in a different amino acid codon which the ribosome recognizes.
Explanation:
A mutation changes the instructions of a gene, which can also change the protein. Sometimes this change makes it so the protein can't do its job as well. And this is what happens with sickle cell anemia. A mutation in the hemoglobin gene changes the hemoglobin protein in a way that causes sickle cell anemia.
True or False:
Newton's 3rd Law states, "all forces come in pairs that are equal in magnitude and opposite
in direction."
What are some Characteristics of a frog after metamorphosis
Answer:
its leg are developed-------------------------------
Help Plz
Which of these does NOT describe Gary Paulsen? (5 points)
a
adventure writer
b
master storyteller
c
olympic champion
d
Iditarod participant
Answer:
c
Explanation:
3. How far does a secondary wave travel in 10 minutes?
Answer:
Explanation:
1 to 8 km/sec- use this to work out 10 minutes
Answer:
Hi There!
Explanation:
1 to 8 km/sec
S-waves are transverse waves. Even though they are slower than P-waves, the S-waves move quickly. Typical S-wave propagation speeds are on the order of 1 to 8 km/sec. The lower value corresponds to the wave speed in loose, unconsolidated sediment, the higher value is near the base of Earth's mantle.
A_____is the orbiting of an object around another body
Answer:
revolution
...................
A revolution is the equivalent of one entire orbit around something
(ie, earth around sun/ moon around earth) and is the equivalent of one year.
Answer: A REVOLUTION is the orbiting of an object around another body.
Explanation: revolution- the orbiting of an object around another object. One complete revolution around the sun is called a year.
Which of the following animals belongs in class Cepholopoda?
1. snails
2. octopuses
3. glass sponges
4. jellyfish
Answer:
2. octopuses
Explanation:
A cephalopod is any member of the molluscan class Cephalopoda such as a squid, octopus, cuttlefish, or nautilus.
Octopuses belongs in class Cepholopoda. So, the correct option is (B).
What is Cephalopod?A cephalopod is defined as any member of the molluscan class Cephalopoda such as a squid, octopus, cuttlefish, or nautilus where specifically marine animals with bilateral body symmetry, a prominent head, and arms modified from primitive molluscs or is characterized by a set of tangents foot. These animals use gills to breathe and are invertebrates (lack backbones).
Cephalopods are most notable for their many arms and soft bodies, while ancestral cephalopods are known mostly from their shells because they are well preserved as fossils. The octopus, squid, cuttlefish, and chambered nautilus are familiar representatives.
Thus, Octopuses belongs in class Cepholopoda. So, the correct option is (B).
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Large moving cells in the blood and lymph nodes that ingest and digest foreign particles or wall off material are called:
bacteria
fibroblasts
viruses
leukocytes
Answer:
Leukocytes
Explanation:
Leukocytes = White blood cells that digest foreign particles
The segment of____
that codes for a____
is called a____.
Answer:
DNA
particular protein
polypeptide
Read the statement.
In a food chain, algae carry out photosynthesis, which produces their food. Some small fish feed on the algae. Seabirds then feed on those small fish.
Which statement correctly describes this food chain?
Select one:
The seabirds are the producers.
The fish are the primary consumers.
The seabirds are the primary consumers.
The fish are the producers.
help!
Answer:
option B ,is correct answer of this question
Answer:
B
Explanation:
Distinguish between an antibiotic and a pathogen.
An antibiotic is designed to kill bad cells to help aid illnesses. However, a pathogen is like a virus or a bacteria that can give a disease. Doctors observe pathogens on a atomic and cellular level to alienate the pathogens weaknesses and what does or doesn't kill it. An antibiotic is commonly used to kill these pathogens and prevent infections.
Basically, the big difference between an antibiotic and a pathogen, is that an antibiotic is used as a source of protection and a pathogen is a seperate living virus (disease). Both are key components of finding cures for harmful viruses and illnesses.
Hope this helps.
. 。 • ﾟ 。 . . . 。 。 . . 。 ඞ ඞ ඞ ඞ ඞ ඞ ඞ 。 . • . [Northstar] was ejected. . . 。 . 。 ﾟ . . , . . .
how much energy moves up from one trophic level to the next in the energy pyramid
Answer: Only about 10% of energy is transferred from one trophic level to the next. Most of the rest of the energy is lost through heat (energy expended, metabolic process, respiration) as it transfers along each level. The reason for this energy loss is found in the second law of thermodynamics which states: that as energy is transferred energy is lost.
Explanation: You're Welcome!