Answer:
Option D increasing blood pressure.
Explanation:
Increasing blood pressure
What is feedback mechanism in homeostasis?
Homeostasis is generally maintained by a negative feedback loop that includes a stimulus , sensor , control center , and effector . Negative feedback serves to reduce an excessive response and to keep a variable within the normal range.
What are the two feedback mechanisms which work to maintain homeostasis?
Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points. In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
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Which of the following has to
occur in order for mammals to
create offspring?
A. fertilization
B. self-reproduction
C. mutation
D. self-fertilization
A student prepares for a five-mile run so she eats a nutritious meal three hours before the run. Which correctly illustrates the transformation of energy from eating the meal to the five-mile run?
Answer: The transformation of energy from eating the meal to the five mile run is from
Chemical energy --> kinetic energy--> thermal energy.
Explanation:
In nature, energy exists in various forms. These forms are inter- convertible, that is, one form of energy can be transformed into another form. Such energy transformations are governed by the laws of thermodynamics.
The first law of thermodynamics states that energy cannot be created or destroyed but may be transformed from one form into another.
Living organisms which comprises the biotic components of an ecosystem are energy converters. For example:
--> plants convert solar energy into chemical energy during photosynthesis
--> animals convert chemical energy into kinetic energy when they move about. This in turn is lost as heat energy when highly complex organised food molecules are broken down.
From the question, the student ate a nutritious meal ( CHEMICAL energy) which is converted to KINETIC energy as she took a five miles run ( as she worked). 'Work' here refers not only to physical activities but also to the various metabolic processes necessary to maintain life. And each time work is done, kinetic energy is converted to heat( thermal energy)
Help!! Please!! I'll name you brainliest!!
Explanation:
the same as the charge on the ion.+1 +2-25. -1
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Hope this will be helpful to you.
which part of the eye is sensitive to light?
Which part of the eye is sensitive to light?
Retinasorry kalo salah
To ligth The sensitive of teh eye
Question 3
Earth's plates move due to a convection celin
A the Earth's crust
B. the Earth's mantle.
the Earth's inner core.
D. the Earth's outer core.
Answer:B
Explanation:Earth’s core that cause the molten rock in the mantle layer to move, and it moves in a pattern.
put "Reproductive Isolation" in a sentence
Answer:
Reinforcement favoring reproductive isolation is required for both parapatric and sympatric speciation.
Explanation:
Hope this helps
Help me really quick please
Answer:
a
Explanation:
potential energy is highest at its highest point
A rusty nail is an example of an oxidation-reduction reaction.
A. True
B. False
Answer:true
Explanation:
the nose produces a sticky material called mucus, which is moistens the air and traps particles true or false
Answer:
True
Explanation:
It traps the particles and stops them from reaching your lungs and harming them.
Which statement is true regarding mitosis?
A. 2 cells are made from one cell
B. daughter cells have 1/2 of the original DNA
C. occurs only in sex cells
D. 4 cells are made from one cell.
Answer:
A. 2 cells are made from one cell
What leads to variation in a population?
Answer:
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Explanation:
DNA fingerprint can be obtained from… (check all that apply)
Answers:
the pattern on a finger
hair with follicle attached
skin
blood
hair with no follicle attached
Answer:
Did u really delete mine so u can get credit wow you're crazy
Explanation:
True/False: Chromosomes contain genes that are
made of DNA and the order of nitrogen bases control
how the traits will be expressed (show up).
True
False
Answer:
True
Explanation:
Chromosomes do contain genes, and genes are in the cell nucleus. :)
Which events are most common along tectonic plate boundaries
A) erosion and earthquakes
B) hurricanes and tsunamis
C) earthquakes and volcanoes
D) tidal waves and volcanoes
Answer:
C. Earthquakes and volcanoes
Explanation:
finished this topic in my class.
what would the chromosome to the right be called?
Answer:
The two identical chromosomes that result from DNA replication are referred to as sister chromatids. Sister chromatids are held together by proteins at a region of the chromosome called the centromere. Chromosomes undergo additional compaction at the beginning of mitosis.
Explanation:
Based on the position of centromere and length of chromosomal arms, the chromosomes are classified into 4 groups:
(1). Telocentric chromosomes.
(2). Acrocentric chromosomes.
(3). Sub-metacentric chromosomes.
(4). Metacentric chromosomes.
can anyone explain me the Transpiration Pull in plants?
Answer:
As the water is lost from the leaf surface by transpiration, more water molecules are pulled up due to the tendency of water molecules to remain joined (cohesion), and thus to produce a continuous column of water through the stem is called transpiration pull.
Explanation:
In this food web, birds would be classified as
A)
carnivores.
B)
decomposers.
herbivores.
D)
omnivores.
Answer:
D) omnivores.
Explanation:
The bird consumes both plants and arthropods
Answer:
omnivores
Explanation:
omnivorous consumers. they eat other animals like snails and worms but they also eat berries.
Recessive traits are...
visible in the organism's phenotype as long as TWO recessive traits are present.
visible in the organism's phenotype as long as ONE recessive trait is present.
What happened at point B? Why?
Answer:
population has decreased over that period ,MAyBe
Explanation:
I don't know why
The nucleus acid blank copies DNA so blank can be made
Answer:
The nucleus acid Combinent copies DNA so Rna can be made
7.Glycolysis is the process of _______.
A. adding 4 ATP molecules to produce pyruvate C. glucose molecule oxidation to form FADH and NADPH
B. breaking the glucose into 2,3 carbon molecule D. breaking the glucose molecule to produce acetyl CoA
9. The enzymatic redox reaction process in Krebs Cycle produces what molecule?
A. Cytochrome oxidase C. Oxaloacetate
B. Succinate Acetate D. Oxaloxide
10. During electron transport chain, energy from the electrons of NADH and FADH2 is used in the process
chemiosmosis to __________.
A. reduce NADH to NAD+ C. phosphorylate ADP to ATP
B. reduce FADH2 to FAD D. pump hydrogen ions across the membrane
Answer:
7. D. breaking the glucose molecule to produce acetyl CoA
8. C. Oxaloacetate
10. phosphorylate ADP to ATP
Explanation:
Cellular respiration is the metabolic process by which energy in form of ATP is obtained in a cell. However, it occurs in three major stages namely: glycolysis, Krebs cycle and electron transport chain (oxidative phosphorylation).
- Glycolysis is the process where glucose is broken down to produce pyruvate, which is then processed into acetyl coA before it enters the next stage (Krebs cycle).
- Krebs cycle is the stage where series of REDOX reactions occur to produce OXALOACETIC ACID as a final product, which accepts acetyl coA for another cycle to begin.
- Electron transport chain (ETC) uses the energy derived from the electron carriers energy NADH and FADH2 to phosphorylate ADP to ATP in a process called CHEMIOSMOSIS.
The upwelling of deep ocean currents in some areas results in _________________.
Group of answer choices
A. nutrient-rich water
B. rough seas
C. a decrease in marine life
D. flooding on the coasts
Answer:
a
Explanation:
i took this
2. What can you infer from the fact that ants make up
20 percent of the mass of all land animals combined?
a. Ants are very heavy
b. Ants live for a long time
c. Ants thrive in locations all over the world
d. Ants breed faster than any other organism on earth
Ant breed faster than any other organism on earth, 20% of earth mass have land animals. Many ants are on the earth. Thus, option D is correct.
What are the major features of ants ?Ants belongs to Formicide family which is related to so called eusocial insects like bees and termites. It is appeared in the Cretaceous period that is more than 90 million years ago.
The diversity of ants is every where except Antarctica.
The body has three parts such as a head, a meso-some and metasoma or gaster.
Ants are mostly omnivorous but can be scavengers , predators or herbivores based on ecological context.
The reproduction in which young, queens fly during mating time, fertilize with male, this flight is called as nuptial flight.
Then queen lay eggs, then larvae emerge to become pupae, then adults such as workers, soldiers, males or other queens are produced.
Thus, option D is correct.
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How would the presence of cilia, flagella, and pseudopods improve the chances of survival of a unicellular protist?
A.
by increasing the likelihood of obtaining nutrients
B.
by increasing the rate of water exchange
C.
by decreasing the rate of cell division
D.
by decreasing the energy needs of the organism
Answer:
i really dont know but I need the answer too :(
Explanation:
The presence of cilia, flagella and pseudopods improve the chances of survival of a protist by increasing the likelihood of obtaining nutrients. Thus, the correct option is A.
What is locomotion?
Locomotion is the basic act or ability of something to transport or move itself from one place to another. Many protist species have the presence of some type of locomotory organelles on their body which are easily visible under a light microscope. A protists can move by gliding or floating, and by use of organelles such as flagella or cilia.
Protists use these locomotory organelles to find food, a mate, a suitable habitat or to survive and escape form the predators. Types of Movements involved in locomotion include axial and appendicular.
Therefore, the correct option is A.
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Twenty years after his voyage to the Galapagos, what did Darwin identify as the creative force driving the evolution of species?
Darwin discovered many animals but he observed finches(a type of bird) with unique beaks.
Can some one help???
Answer:
what is it you need
Explanation:
Mitosis vs Meiosis, someone help me with this, ill give brainiest.
♡ hi there!! i tried to go back to my notes, but i couldn't find anything. but here if an explanation i found. ♡
different: mitosis consists of one stage whereas meiosis consists of two stages. mitosis produces diploid cells (46 chromosomes) whereas meiosis produces haploid cells (23 chromosomes). mitosis produces two identical daughter cells whereas meiosis produces four genetically different daughter cells.
similar: both involve cell division, both the processes occur in the M-phase of the cell cycle. In both cycles, the stages are common – metaphase, anaphase, telophase and prophase. synthesis of DNA occurs in both.
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Why would cells from the same organism have different functions?
Answer:
Explanation: Cells have to fulfill multiple different functions to be able to build complex multicellular organisms. Differently expressed genes lead to different proteins made in the cell, which leads to different morphology, shape or function. ... When this factor cannot be expressed, these cells do not develop at all.
Construct Explanations Based on evidence from your model, explain how hotspot volcanoes change Earth's surface. When there are tectonic plates
Answer:
High heat and lower pressure at the base of the lithosphere (tectonic plate) facilitates melting of the rock. This melt, called magma, rises through cracks and erupts to form volcanoes. As the tectonic plate moves over the stationary hot spot, the volcanoes are rafted away and new ones form in their place.
Explanation:
Water, ice, wind, sand, and chemicals are constantly crumbling mountains, flattening hills, widening valleys, and deepening canyons. __________________ never stops
Answer:
erosion
Explanation: