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MrMuchimi
2 years ago
8

All life must maintain an internal balance, despite environmental changes this called what?

Biology
1 answer:
zepelin [54]2 years ago
5 0
This is called homeostasis
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If you turned a frog egg upside down, you would expect it to reorient relative to gravity because?
lianna [129]

If you turned a frog egg upside down, you would expect it to reorient relative to gravity because the dense yolk granules concentrated in the vegetal hemisphere of the egg respond to gravity.

The frog egg is very large as compared to the normal egg cell. It is unevenly distributed with a top dark colored pole called animal pole and a light yolky pole called a vegetal pole.

The vegetal pole is concentrated with the yolk that is present for providing the nourishment to the growing embryo. The animal pole is the one from where the sperm enters and the development of embryo take place.

As the vegetal pole is denser as compared to animal pole so it will respond to the gravity and reorient along the direction of gravity.

To learn more about frog egg here

brainly.com/question/23787609

#SPJ4

3 0
1 year ago
Which of these processes does not require the cell to use energy A cell division b protein synthesis c DNA replication D diffusi
weeeeeb [17]

Answer:

D diffusion across a membrane

Explanation:

Based on whether or not energy input is required, there are two types of processes viz: passive and active. Passive processes are those that do not require energy input in form of ATP while active processes require energy input to occur.

An example of passive process is DIFFUSION, which is the movement of molecules from a region of high concentration to a region of low concentration across a membrane. Diffusion is passive i.e does not require energy, because movement occurs down a concentration gradient.

Other processes in the options like cell division, DNA replication and protein synthesis all require energy input to occur.

6 0
3 years ago
Cardiovascular effects of the sympathetic division include all of the following EXCEPT ________. a. weak dilation of the blood v
dalvyx [7]

Answer:

d. dilation of the blood vessels serving the skin and digestive viscera.

Explanation:

Cardiovascular effects of the sympathetic division include all of the following EXCEPT dilation of the blood vessels serving the skin and digestive viscera.

6 0
2 years ago
NOT a convergent boundary
kenny6666 [7]
Continental-volcanic is NOT a convergent boundary. The answer to your question is B. I hope this is the answer that you are looking for and it comes to your help.
5 0
3 years ago
Does anyone know the answer to this ? What happens if you poke a hole in the plastic bottle of a balloon lung model?
o-na [289]
Then the model will become useless. originally the bottle should be air tight only tubes connected to the balloons, so that pressure can be shown when you adjust the plastic sheet in the bottom of the model. but now if there's a hole, air can move freely in or out the bottle and the model will not be able to show anything that occurs during respiration
7 0
3 years ago
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