Small hair-like structures surrounds a cell's groove

Process of sorting living things

Does not have an internal skeleton

What is only found in plant cells?

(More than one answer)

Which system are kidneys a big part of?

What fist-sized organ is the central organ of the circulatory system?

What respiratory organ is the human’s central organ?

When specialized cells group together, a ___________ structure called tissue is formed

Muscle cells form a protective covering around an animal’s entire body

Classification is the act of grouping organisms into categories based on their common traits

Which kingdom is composed of single-celled organisms that do not possess a nucleus or other internal organelles?

Why are fungi classified differently than plants?

What are vertebrates?

The amount of energy a cell needs determines the number of ___________ it has.

Which organelle do animals cells have that are rare in plant cells?

What fluid holds all the organelles?

Multicellular organisms that break down decaying matter