The CNS are lined by ependymal cells. Ependymal cells are epithelial cells that monitor the composition of cerebrospinal fluid (CSF)
Answer:
(a.) rabbit eating grass.
Explanation:
Heterotrophs obtain energy by eating plants and animals. Plants are autotrophs, absorbing the sun's energy through photosynthesis and making glucose.
Answer:
The Miller Urey experiment provide the first evidence that organic molecules needed for life could be formed from components.
Explanation:
Earth could not have supported the lives or humans and other living things. There was no oxygen in the atmosphere, and Earth's surface was extremely hot