Scientists discover that chemicals dumped in a river have caused trout, a type of fish, to die. what other living things will be most affected by the trout dying?

Punctuated equilibrium verses gradualism have long been contested as ways in which species evolve. choose the best evidence for gradualism.

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

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation