An organ system is a group of organs that

a. are made up of similar cells.

b. are made up of similar tissues.

c. work together to perform a specific function.

d. work together to perform all the functions in a multicellular organism.

Is the study of effects of sunlight on the color of construction paper an experiment in quantitative data?

Which situation justifies open rebellion against a government in accordance to the Declaration of Independence? a. high unemployment and inflation b. a ruler denying citizens their rights c. a central government with weak powers. d.

To run a race one needs a set of well developed A. pectoralis major muscles. B. biceps brachii muscles. C. epicranius muscles. D. gastrocnemius muscles.

In order to support all of the organisms in an ecosystem, which should have the greatest amount of biomass? secondary consumers producers primary consumers decomposers

By using an arthropod as an example, describe the circulation of hemolymph?

What can fish color tell us about human pigmentation? skin color is often one of the first traits people notice in each other. studies in zebra fish uncovered a mutation that altered a transport protein and resulted in light-colored fish.

Which of the following best describes the relationship between human population size and resource use?

How does climate affect the type of biome found in an area?

As in the previous question, suppose there is a population of 100 rabbits that have different fur patterns. In this population several generations ago, there were 60 FF rabbits, 20 Ff rabbits, and 20 ff rabbits.

How can introducing a plant or animal from one ecosystem into another ecosystem cause major problems