What is it called when a high percentage of the species on Earth dies off?

O

A. Founder situation

O

B. Mass extinction

O

C. Selective pressure

O

D. Disruptive selection

Monohybrid cross is made between plants that

Which of these is a biotic factor of an ecosystem? a. the temperature of water in a stream b. the amount of water vapor present in a rain forest c. the bacteria that live in the intestine of a rabbit d. the rocks that provide cover for a rattlesnake

In this food weeb identify the decombposer

Question 11 5.88 pts When two species evolve at the same rate because they are dependent on one another

Which molecule is commonly used in the cell as an 'energy curreny', a short-term shortage of potential chemical energy for any endergonic reactions in the cell?

A group of cells working together is known as what

What do amoeba proteus, dinoflagellate, and euglena viridis have in common? a. they all can move and make their own food b. they all can move and use eye spot to locate food c. they all can move and be heterotrophic d.

How is a scientific hypothesis best evaluated?

The overall population of a species decreased. What could have occurred to make this happen? The immigration rate increased, while the death rate decreased. The birth rate decreased, while the death rate increased.

Which of the following terrestrial biomes cannot be found in the United States? A: temperature deciduous forest B: tundra C: desert D: grassland/prairie