Which of these describes a population?

A.

all the organisms that interact in a lake

B.

all the gray squirrels that live in a forest

C.

an area characterized by a group of plants and animals

D.

a nonliving factor in an organism's environment

What does a negative value of change in shoot biomass indicate?

Human bodies have, as endemic organisms, both yeast (Candida albicans) and molds. What is used as a confirmatory diagnostic test is used when a fungus invades the skin? a. Potassium hydroxide (KOH) preparations b. The Forest light c.

Describe two ways in which the cell in the strong sugar solution is different from the cell in distilled water.

What is one example of a response? A) water lost from the lungs B) ivy growing around the pole of a fence C) the angle of the sun changing during the day D) outside temperture dropping at night

Why are coal, natural gas and oil referred to as fossil fuels?

What is the most common result when heat radiation is released from Earth? A) The amount of carbon dioxide in the atmosphere increases. B) The temperature of the atmosphere decreases. C) Water vapor is produced in the atmosphere.

What is the result of a more concentrated urine?

What the different between interstitial fluid with blood.

In a controlled experiment a scientist is studying how long it takes a parachute of different sizes to fall to the ground what is the manipulated variable

Why do you bleed when you get cut?