Answer:
synthesis maybe I'm sorry if it's wrong
Answer:
biotic preservation
Explanation:
preservstion means to store or to save,
Echinoderms are not arthropods like the others. Starfish and sand dollars are echinoderms.
Answer:
Once an egg is fertilized by a sperm, a zygote is formed. The zygote divides into multiple cells in a process known as cleavage, triggering the beginning of embryonic differentiation. Cells in these three layers will give rise to different parts of the organism. The endoderm eventually becomes the gut.
Explanation:
- Eijiro <3