What is a function of the backbone in animals?
A. It protects against predators.
B. It regulates blood glucose.
C. It surrounds the spinal cord.
D. It limits movement.

Answers

Answer 1

Answer:

C>

Explanation:

just took the test hope  it works.

Answer 2

The main function of the backbone in animals is that It surrounds the spinal cord. Vertebrate bodies are supported structurally by their backbones, hence option C is correct.

How backbone is important in animals?

The vertebral column's main job is to protect the spinal cord, but it also stiffens the body and serves as an attachment point for several muscles, the pectoral and pelvic girdles, and the spinal cord.

In contrast to cartilaginous or bony vertebrates, any animal without a vertebral column, or backbone, is referred to as an invertebrate. Invertebrates make up more than 90% of all species of living animals.

Therefore, the vertebral arch, also known as the bony arch on the back of a vertebra that surrounds the spinal cord, is made up of the spinous process and lamina.

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Related Questions

Eric has made a terrarium, a closed container with plants in it, and he has put


enough water into it to satisfy the needs of the plants. Does Eric need to add


water to his terrarium again? Why or why not?

Answers

Answer:

Yes

Explanation:

The water will be used by the plants sooner or later so their basic metabolic needs can be achieved. Also, the plants will loose their water by transpiration, in order to produce their carbohydrates. Therefore the amount of water will not be enough and has to be replenished.

Which of the following is true of conifers

Answers

Answer:

Conifers are gynosperm which reproduce through the exposed seeds found in the cones

Information related to the organisms found on Earth during
various geological time periods is represented in the accompanying
chart.
OOEEOC 0-0 C-E
2525
-Edw-
4.6 (?) Billion
600 Million
200 Million
60 Million
Years Ago
Years Ago
Years Ago Years Ago
Precambrian
Paleozoic
Mesozoic Cenozoic
(Simple
(Age of Amphibians, Fishes, (Age of Reptiles) (Age of
Multicellular
and Invertebrates)
Mammals)
a organisms and
First Protists)
Past
Present
Geologic Time
Which statement concerning the first appearance of the organisms
over the time period represented in this chart is most likely
correct?

Answers

Answer:

D

Explanation:

Which of the following facts are NOT true about dichotomous keys?

Answers

Answer:

Explanation:

B    C

Vestigial structures, such as hip bones in whales and appendixes
in humans, are those that have little or no function for the
organism. What is the most likely reason for this loss of function
over time?
The organism is undergoing speciation.
The organism is experiencing genetic drift.
The structure was over utilized by the organism.
The structure was not highly beneficial to the organism.

Answers

Answer:

A.

Explanation:

Humans used to use the appendix for good bacterial health in the gut. People used to drink dirty water and eat food that had lots of bacteria. The appendix would save them from infection.

pls help thanks explain your answer. ​

Answers

Answer:

Explanation:

There must be a lot of producers due to the fact that only 10% of energy passes onto the next level. The producers need to keep up with the energy supply so there are many of them.

The different functions of the skeletal system include all of the following EXCEPT: *
a) Forms blood cells
b) Protects internal organs
c) Stores hormones
d) Assists movement

Which type(s) of muscle can contract without stimulation from the nervous system? *
a) skeletal only
b) skeletal and smooth
c) smooth and cardiac
d) cardiac only

Which of the following are events following fertilization? (Check all that apply. There may be more than one answer). *
a) Embryo develops into the fetus
b) Zygote cell rapidly divides
c) Embryo embeds into uterine wall
d) Zygote travels down the fallopian tube toward the uterus

Answers

Number 1 is C
And im not sure about the rest :(

Storing hormones, smooth and cardiac muscles are the correct answers.

Storing hormones is not function of skeleton system. Skeleton system protects internal organs such as heart, kidney and lungs etc. It is also responsible for the movement of the muscles as well as produces blood cells because of the presence of bone marrow.

Smooth and cardiac muscles can contract without nervous system stimulation because they are involuntary Muscle which is beyond the control of the nervous system so we can conclude that storing hormones, smooth and cardiac muscles are the correct answers.

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What is the second most abundant element in the human body?
Select one:
A. carbon
B. methane
C. water
D. oxygen

Answers

water

Explanation:

cuz after blood , water is the next thing that follows

Answer:carbon

Explanation: water is the first abundant element in the human body and carbon is the second


The number of waves that pass through a fixed point per second is the (amplitude, frequency, wavelength)
of the wave. This value increases when the (amplitude, frequency, wavelength)
of the wave decreases

Answers

Answer:

Frequency / Wavelength

Answer:

frequency and wavelenght

Explanation:

Vaccine: What is one advantage of being vaccinated against a particular virus?
I

Answers

Answer:

the vaccinated person's immune system will likely become immune to said virus and it will cause the body vaccinated to develop antibodies

Explanation:

i hope this helps a little bit :))

Antibodies make the cells aware a certain virus is entering the body and detects and fights it off. Which leads you to a fever because that means they're currently working hard to eliminate the virus.

What might happen to the Burmese python population over time as it reaches or
surpasses its carrying capacity in South Florida? How might other organisms in the
ecosystem be affected? What might happen to the population sizes of various types
of organisms in the Everglades?

Answers

Answer:

If the Burmese Python surpasses its carrying capacity, the other organisms might not have enough food, or there is barely a chance of survival for the pythons' prey. The population sizes of other organisms might go down, and go to..extinction :/.

Explanation:

If the Burmese Python exceeds its carrying capacity, other creatures may starve or the pythons' prey may not survive. Other creatures' populations may go extinct.

What is carrying capacity?

The typical number of individuals belonging to a species that are found in a given ecosystem is one definition of carrying capacity. The population size of the species is restricted by environmental conditions such as the availability of sufficient food, shelter, water, and mates. In the event that these requirements are not fulfilled, the population will continue to decline until the resource levels recover.

Therefore, if the Burmese Python population grows above its carrying capacity, the other creatures in the area may not have access to enough food, and the prey of the pythons will have an extremely low chance of surviving. It is possible that the population sizes of other organisms will decrease, leading to their eventual extinction.

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What are the different sensory structures and what are each of them able to
detect?​

Answers

Answer;

Chemoreceptor,Thermoreceptors,Mechanoreceptors,Photoreceptors

Explanation:

Chemoreceptors detect the presence of chemicals

Thermoreceptors detect changes in temperature

Mechanoreceptors detect mechanical forces.

Photoreceptors detect light during vision.

Limiting Factors that are Density Dependent are affected by the size of the population
True or False​

Answers

Answer:

this would be true

Explanation: these factors increase whi is what you asked right

How is the AB blood group an example of codominant inheritance​

Answers

Answer:

Explanation:

AB blood type is codominant because the red blood cells have the products of both the A and the B alleles of the ABO gene.

Hope that helped!

PLEASE HELP I WILL BE GIVING THE BRAINLIEST AND 15 POINTS!!!!!!!!
Charlotte placed raisins in a glass of water and after a while, saw them swell up and get larger. It made her wonder about the way water moved into different items. She knew cells allowed materials in, but she wanted to know more and she read that the cell membrane had specific jobs. Which of the following correctly describes the cell membrane’s function?

A. It is permeable, so it can allow all materials to move freely across the cell membrane.
B. It uses diffusion and osmosis to move all materials into and out of the cell.
C. It uses active transport and facilitated diffusion to move all materials into and out of the cell.
D. It is selectively permeable, so it can allow certain materials to pass through it and prevent others from passing into the cell.

Answers

Answer:

D. It is selectively permeable, so it can allow certain materials to pass through it and prevent others from passing into the cell.

Explanation:

Before mitosis begins, which happens before the nucleus starts dividing?
The DNA replicates.
The cytoplasm separates.
The sister chromatids separate.
The homologous chromosomes cross over.

Answers

Answer:

The DNA replicates.

Before mitosis begins, the DNA replicates. During the S phase of interphase, which precedes mitosis, the DNA in the nucleus undergoes replication, resulting in the formation of identical sister chromatids.

This ensures that each daughter cell produced during mitosis receives a complete set of genetic information.

After DNA replication, the cell enters the mitotic phase, during which the nucleus divides and the replicated DNA is distributed to the daughter cells.

The cytoplasm separates during cytokinesis, which occurs after mitosis and is not directly related to events before nucleus division. The separation of sister chromatids occurs during anaphase of mitosis, not before the nucleus starts dividing.

Thus, the process of homologous chromosomes crossing over occurs during meiosis, not mitosis.

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True or False: Too much carbon in seawater prevents clams, snails, and other
sea animals from growing their shells.

Answers

Answer:

true

Explanation:

the carbon isn't what they need it's oxygen

The changes in composition in an area over time is called

Answers

Answer:

Ecological Succession.

Explanation:

So i forgot what the genetic code is and how its read can somebody please be kind and help me..

Answers

Answer:

i d

Explanation:

DescriptionThe genetic code is the set of rules used by living cells to translate information encoded within genetic material into proteins. adenine(A), cytosine (C),guanine(G), thymine(T) are the “letters” of the DNA code.

Question is in picture

Answers

the first one : 29,500, 25,500, 24,500.

The flow of energy moves in a circle through a food chain. The energy moves from the grass to the grasshopper. Next, the transfer of energy passes from the snake to the hawk. Finally, the fungi help by breaking down the hawk when it dies, and returns the energy to the grass. Where does the energy that is transferred through this chain originate? A) fungi B) grass C) grasshopper D) sun

Answers

Answer:

i think it is B grass

Explanation:

Grass obtains energy through the use of photosynthesis. Chlorophyll absorbs sunlight and uses its energy to convert carbon dioxide and water into carbohydrates.

Alice is studying biological molecules. She has isolated a molecule and identified the nucleotide bases adenine, cytosine, guanine, and thymine. Which molecule did Alice isolate?

Answers

Answer:

DNA

Explanation:

I know this from learning it in school

Which chromosome is involved in Prader Willi and Angelman Syndrome?

A) Chromosome # 46

B) Chromosome # 1

C) Chromosome # 15

D) Chromosome #23

Answers

Answer:

C.

Explanation:

Answer:

Chromosome 15

Explanation:


What are the possible outcomes of combining a
lower with green leaves (GG) and green/red leaves
Gg) with a Co-Dominance relationship?

a. 3 Flowers with green leaves and 1 with red leaves

b. 2 Flowers with green leaves and 2 flowers with green/red leaves

c. 2 Flowers with green leaves and two flowers with 2 red leaves

Answers

Answer:

im guessing green is dominant

Explanation:

Two green leaves, two green/red leaves

In fruit flies, the gene for eye color is located on the X chromosome, and the red eye allele (R) is dominant
to the white eye allele (r). A carrier female is mated with a male fly with genotype X
rY. Which of the
following statements best describes the expected outcome of the cross?
a. The chance of an offspring having red eyes is 75%
b. The chance of an offspring having white eyes is 50%
c. The chance that a male offspring will have white eyes is 0%
d. The chance that a female offspring will have red eyes is 100%

Answers

Answer:

b. The chance of an offspring having white eyes is 50%

Explanation:

So the genotype of the male fly is X^r Y. This means the male has white eyes because he only has one X chromosome, so he will express whatever allele is on that chromosome.

The genotype of the female fly, though, is X^R X^r. This is because carriers are heterozygous for traits, and the sex chromosomes of most females is XX (with some exceptions, like XXX, or X (Turner syndrome)).

If we cross this, what are the outcomes? Do a Punnett square. You get the genotypes of X^r X^R, X^r X^r, X^R Y, and X^r Y. The expected phenotypes are a red eye female, white eye female, red eye male, and white eye male.

Now, let's look at the choices:

A.: The chance of an offspring having red eyes is not 75%; it is 50%.

B.: The chance of an offspring having white eyes is 50%!!!

C.: The chance that a male offspring will have white eyes is 50%, not 0%.

D.: The chance that a male offspring will have white eyes is 50%, not 100%.

Sooo, it's B!

How do scientists use ice to study ancient climates

Answers

Counting the yearly layers can date them. The oxygen in the water molecules also holds a key to past climate. Scientists are able to use the oxygen atoms in the glacial ice as a proxy for air temperature above the glacier.

Answer: Ice is very important for studying ancient climates. Ice can preserve the remains of organisms such as a Wholly Mammoth, possibly for hundreds of thousands of years. The details and phenotype of the mammoth such as its fur, can provide evidence of Earth's ancient climate, and where it occurred (which is somewhere that contains ice).

What are two main sources of genetic material found in viruses?

Answers

Answer:

Most have RNA or DNA as their genetic material, but they also consist of a virion, which has nucleic acid and a shell of protein.

Explanation:

Do roots, leaves, or stems do more in photosynthesis in plants?

Answers

Answer:

Leaves

Explanation:

Leaves help are flat and thin which makes it easy for them to take in more light, which makes them play the biggest rold in photosynthesis.

The difference between the highest and lowest elevations on a map is the
a.geologic unit
b.topography
c.contour line
d.relief
please

Answers

Answer:

contour line

Explanation:

Answer:

d, relief

Explanation:

True or False: Too much carbon in seawater prevents clams, snails, and other
sea animals from growing their shells.

Answers

Answer: False................

Answer:

False

Explanation:

Carbon is one of the most abundant resources for sea animals, and they actually need a lot of carbon to grow their shells.

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