Chapter 9 - Interaction of Living Things

Question 1

ecosystem

Answer 1

the living and nonliving things in one place

Question 2

biome

Answer 2

is a geographic area on Earth that contains ecosystems with similar biotic and abiotic features

Question 3

carrying capacity

Answer 3

is the largest number of individuals of one species that an ecosystem can support over time

Question 4

symbiotic relationship

Answer 4

is one in which two different species live together and interact closely over a long period of time
Types: mutualism, parasitism, and commensalism

Question 5

biotic potential

Answer 5

is the potential growth of a population if it could grow in perfect conditions with no limiting factors

Question 6

parasitism

Answer 6

a symbiotic relationship in which one species benefits and the other is harmed

Question 7

commensalism

Answer 7

a symbiotic relationship in which one species benefits and the other is neither helped nor harmed

Question 8

limiting factors

Answer 8

are factors that can limit the growth of a population

Question 9

oxygen cycle

Answer 9

recycles gas in the atmosphere that people can breathe in

Question 10

overpopulation

Answer 10

more individuals than an ecosystem can support

Question 11

mutualism

Answer 11

a symbiotic relationship in which both species benefit from each other

Question 12

carnivore

Answer 12

a consumer that eats only meat

Question 13

herbivore

Answer 13

a consume that eats only plants

Question 14

producers

Answer 14

change the energy available in their environment into food energy (plants)

Question 15

energy pyramid

Answer 15

shows the amount of energy available at each step of a food chain

Question 16

biotic factor

Answer 16

are all of the living or once living things in an ecosystem

Question 17

abiotic factor

Answer 17

are the nonliving parts of an ecosystem

Question 18

population

Answer 18

is made up of all the members of one species that live in an area

Question 19

succession

Answer 19

is the gradual change from one community to another community in an area

Question 20

community

Answer 20

is all the populations living in an ecosystem at the same time

Question 21

habitat

Answer 21

the physical place where a population or organism lives

Question 22

niche

Answer 22

is the unique ways an organism survives, obtains, food and shelter, and avoids danger in its habitat