Answer: The amniotes are distinguished from amphibians by the presence of a terrestrially adapted egg protected by amniotic membranes. The amniotes include reptiles, birds, and mammals. A key adaptation that permitted reptiles to live on land was the development of scaly skin. I hope this helps
Explanation:
The decrease in reproductive function.
Explanation:
For a couple attempting to have a child, having at least two miscarriages may be a sign of an chromosomal abnormality.
Hi btw
Answer:
every cell in you body needs oxygen to help it metabolize it release from food for energy.cells that do the same job combines together to form body tissue such as muscles,skin bone tissue.cells can take in fuel.cells not only make up living things,they are living g things.
Acid-laden ingesta flows out of the stomach, into the small intestine. Acid in the small intestine stimulates secretion of the hormone secretin<span> from endocrine cells in the intestinal epithelium.</span>