They use their skin to do gas exchange
Pavlov's dog stopped salivating to the bell when the food was no longer paired with the bell. This is called:
extinction
Answer:
they have different functions
Explanation:
the stomach cells breakdown food and make up a certain tissue and take nutrients from the food you eat while the brain cell makes up your neurons and receptors
Answer:
Nuclear fusion.
Explanation:
In nuclear fusion, two or more small nuclei combine to form a single, larger nucleus.
Answer - Well to put it in short terms.
Cells such as water cells or aquatic microorganisms need and required to have a large surface area increased. Because this helps them stay afloat without spending much amount of energy to float.