The first animals to live successfully on land were a. reptiles. b. flying reptiles. c. amphibians. d. arthropod

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

What would happen if the krill were removed from the food web

Tides that occur during the new and full moons