Key terms

Question 1

Population

Answer 1

group of individuals of the same species living and interbreeding within a given area

Question 2

Density

Answer 2

number of things—which could be people, animals, plants, or objects—in a certain area

Question 3

Growth rate

Answer 3

Science: biology, cell culture, Ecology) The rate, or speed, at which the number of organisms in a population increases

Question 4

Reproductive

Answer 4

Reproduction (or procreation or breeding) is the biological process by which new individual organisms – “offspring

Question 5

Potential

Answer 5

ability of a population of living species to increase under ideal environmental conditions

Question 6

Exponential growth

Answer 6

is growth in which the rate of growth is proportional to the present amount

Question 7

Carrying capacity

Answer 7

a species’ average population size in a particular habitat.

Question 8

Niche

Answer 8

describes the role an organism plays in a community. A species

Question 9

Competition

Answer 9

interaction between organisms or species in which both require a resource that is in limited supply

Question 10

Predation

Answer 10

one organism kills and consumes another. Predation provides energy to prolong

Question 11

Parasitism

Answer 11

relationship between two species of plants or animals in which one benefits at the expense of the other

Question 12

Mutualism

Answer 12

type of symbiotic relationship where all species involved benefit from their interactions.

Question 13

Commensalism

Answer 13

relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter

Question 14

Symbiosis

Answer 14

interaction between two different organisms living in close physical association

Question 15

Dispersion

Answer 15

dissemination, or scattering, of organisms over periods within a given area or over the Earth.