The distinction between protostomes and deuterostomes is based on differences in their embryological development. Protostomes develop their oral end from their first developmental opening, while deuterostomes have their oral end develop from the second opening on the dorsal surface.

3 0

3 years ago

What role does the sun play in atmosperic cycles?

Sidana [21]

Respiration and Photosynthesis

6 0

3 years ago

Scientists have long struggled with the question of whether viruses are living or nonliving. Which of the following is the best

TEA [102]

Your answer is D because

5 0

3 years ago