It is called the Rugae.
Rugae is a term used in anatomy to refer to a series of ridges produced by folding of the wall of an organ. For example the gastric rugae which allows for expansion of the stomach after the consumption of foods and drinks. The rugae of the vagina are the transverse ridges on the mucous membrane lining the vagina. They allow the vagina to stretch during childbirth.
Answer:
We live in the Phanerozoic EON
Explanation:
Fish are cold-blooded or poikilothermic, meaning that their body temperatures vary with the surrounding temperature. During the cold of winter fish become less active. They find little pockets out of the way of fast moving water where they can stay still and conserve energy.
Mercury:
-Smallest planet in the solar system
- Atmosphere composed of hydrogen, sodium, and oxygen
- Orbital period if about 88 Earth days
Jupiter:
- Largest planet in the solar system
- Atmosphere composed of hydrogen and helium
- Orbital period of 11.86 Earth years
Light, oxygen, gravity. idk about gravity, but i put it in there for cause