Which is an example of ecosystem diversity? A. variation in a flock of starlings
B. a dog and a tree
C. different types of Canada geese
D. the Sonoran Desert and a temperate rain forest

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b. a light particle

When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated

Collin would like to use the data a coworker has entered in a database. the problem is the coworker's database software is different from collin's. collin should