Why do the number of organisms in a group change from the first step to the last step of a dichotomous key? A
The number of organisms decreases because the number of common characteristics of the organisms in a group increases.
B
The number of organisms increases because the number of common characteristics of the organisms in a group increases.
C
The number of organisms is cut in half because the number of common characteristics of the organisms in a group decreases by half in the last step.
D
The number of organisms stays the same because the number of common characteristics of the organisms in a group decreases by half in the last step.

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.