What is most likely the cause of the differences in the birds in the picture? a) interbreeding b) change in diet c) mutations in dna eliminate d) mutagens in the environment

List charasteristics of athenosphere

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey