Chapter Review 1

Question 1

ecology

Answer 1

the study of the interactions of organisms with one another and their environment

Question 2

biotic

Answer 2

describes living factors in the environment

Question 3

abiotic

Answer 3

describes nonliving factors in the environment

Question 4

population

Answer 4

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

Question 5

community

Answer 5

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

Question 6

ecosystem

Answer 6

a community of organisms and their abiotic environment

Question 7

biosphere

Answer 7

the part of the earth where life exists

Question 8

herbivore

Answer 8

an orgainism that only eats plants

Question 9

carnivore

Answer 9

an orgaism that only eats meat

Question 10

omnivore

Answer 10

an organism that eats both plants and meat

Question 11

food chain

Answer 11

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

Question 12

food web

Answer 12

a diagram that shows the feeding relationship between organisms in an ecosystem

Question 13

energy pyramid

Answer 13

a diagram that shows an ecosystems loss of energy

Question 14

carrying capacity

Answer 14

the largest population that an environment can support

Question 15

prey

Answer 15

an organism that is killed and eaten by another orgamism

Question 16

predator

Answer 16

an organism that eats all parts of another organism

Question 17

symbiosis

Answer 17

a relationship in which two different organisms live in close associations with each other

Question 18

mutualism

Answer 18

a relationship between two species in which both species benefit

Question 19

commensalism

Answer 19

a symbiotic relationship in which both organisms benefits and the other is unaffected

Question 20

parasitism

Answer 20

a symbiotic relationship in which one organism benefits while the other is harmed

Question 21

coevolution

Answer 21

when a long term change takes place in tow species because of their close interactions with one another