Which of the following is NOT an example of evidence for evolution! Geographical discovery
DNA
Fossils
Vestigial structures

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis