Answer:
Protists are a diverse collection of organisms that do not fit into animal, plant, bacteria or fungi groups. While exceptions exist, they are primarily microscopic and made up of a single cell (unicellular), according to the educational website CK-12.
They were adapted to an environment and once it is taken away the plants will slowly start to die. I'm not 100% :)
Answer: C
Explanation: The Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
Answer:
The esophagus is a long tube that connects the mouth to the stomach
the key element in the ecological concept of species is that individuals within a species can successfully interbreed and conceive healthy offspring
