Answer:
A.) Alligators have round snouts, while crocodiles have pointed, V-shaped snouts.
Explanation:
The difference in crocodiles and alligators is in their snouts.
Answer: Generally, these factors are based on two things: hydrostatic pressure and osmotic pressure. Water will only flow across a membrane firstly if the membrane is permeable to water.
Explanation:
Storage. Vacuoles store water and waste.
Comparing DNA
Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor. Look at the diagram in Figure 9.3
