Chapter 18

Question 1

Biotic

Answer 1

Describes living factors in the environment.

Question 2

Abiotic

Answer 2

Describes the nonliving part if the environment.

Question 3

Population

Answer 3

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

Question 4

Community

Answer 4

All the population of species that live and interact in an area.

Question 5

Ecosystem

Answer 5

A community of organisms and their abiotic environment.

Question 6

Biosphere

Answer 6

Is the part if earth were life exists.

Question 7

Herbivore

Answer 7

A consumer that only eats plants.

Question 8

Carnivore

Answer 8

Consumer that eats animals

Question 9

Omnivores

Answer 9

Eat both plant and animals

Question 10

Food chain

Answer 10

Is a diagram that shows how energy in food flows from one organisms to another

Question 11

Food web

Answer 11

Is a digram that shows the feeding relationships between organism in a ecosystem.

Question 12

Energy pyramid

Answer 12

Is a digram that shows an ecosystems loss of energy.

Question 13

Caring capacity

Answer 13

The largest population that an environment can support at any given time

Question 14

Prey

Answer 14

An organism that is killed and eaten by another organism

Question 15

Predator

Answer 15

An organism that eats all or part of another organism

Question 16

Symbiosis

Answer 16

A relationship in which two different organisms live in close association with each other.

Question 17

Ecology

Answer 17

Is the study of the interactions of organisms wth one another and with their environment.

Question 18

Mutualism

Answer 18

A symbiotic relationship in which both organisms benefit.

Question 19

Commensalism

Answer 19

A symbiotic relationship in which one organism benefits and the other is unaffected.

Question 20

Parasitism

Answer 20

A symbiotic association in which one organism benefits while the other is harmed.

Question 21

Coevolution

Answer 21

The evolution of two species that is due to mutual influence, often in a way that makes the relationship more beneficial to both species.