Ecosystems

Question 1

ecosystem

Answer 1

a community of organisms and their abiotic, or nonliving, environment

Question 2

biotic factor

Answer 2

an environmental factor that is associated with, or results from, the activities of living organisms

Question 3

abiotic factor

Answer 3

an environmental factor that is not associated with the activities of living organisms

Question 4

species

Answer 4

a group of organisms that are closely related and can mate to produce fertile offspring

Question 5

population

Answer 5

a group of organisms of the same species that live in a specific geographical area

Question 6

community

Answer 6

all of the populations of species that live in the same habitat and interact with each other

Question 7

Individual

Answer 7

An individual is a single organism, such as one osprey.

Question 8

Grazer

Answer 8

an organism that feeds by eating plants, algae, and other immobile organisms

Question 9

Filter Feeders

Answer 9

an organism that eats by straining food, such as plankton, from water

Question 10

Coral

Answer 10

a class of marine animals in phylum cnidaria that are important reef builders in tropical oceans

Question 11

Coral reef

Answer 11

a complex and diverse marine ecosystem formed on the exoskeletons secreted by stony corals

Question 12

Coral bleaching

Answer 12

a process in which corals lose their zooxanthellae, usually as a result of abnormal high water temperatures