5 - 2 Ecosystem Organization

Question 1

Ecosystem

Answer 1

The communities of organisms (Biotic) that live in a particular area, with their nonliving surroundings. (Abiotic)

Question 2

Community

Answer 2

All the different populations (biotic) that live in an area together.

Question 3

Population

Answer 3

All the members of one species in a particular area.

Question 4

Organism

Answer 4

Each individual living thing.

Question 5

Niche

Answer 5

An organism’s ROLE or JOB in the ecosystem.

Question 6

Carnivore

Answer 6

Animals that only eat other animals.

Question 7

Herbivore

Answer 7

Animals that only eat plants.

Question 8

Omnivore

Answer 8

Animals that eat plants and animals.

Question 9

Decomposers

Answer 9

Living things that break down dead and decaying organisms.

Question 10

Scavengers

Answer 10

Animals that only eat dead animals.

Question 11

Predators

Answer 11

Animals that hunt other animals.

Question 12

Prey

Answer 12

Animals being hunted.

Question 13

Competition

Answer 13

The struggle between organisms to obtain things they need for survival. Competition can be within a population or between populations of different species using the same resource.

Question 14

Symbiosis

Answer 14

A close relationship between two organisms where at least one of them receives some benefit.

Question 15

Commensalism

Answer 15

One organism benefits and the other is NOT harmed.

Question 16

Mutualism

Answer 16

BOTH organisms benefit.

Question 17

Parasitism

Answer 17

One organism benefits and the other IS harmed.

Question 18

Homeostasis

Answer 18

Maintaining a stable ecosystem