What structure(s) does this cell use to move through its environment?

Choose 1

A Pseudopodia

B Cilia

C Flagella

D Ribosomes

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Is genetic diversity the same as genetic variation?

Explain why scientists use the word dominant for certain traits.