ch 8 key terms

Question 1

population

Answer 1

is the set of individuals within a species living in the same place at the same time

Question 2

density

Answer 2

is the number of individuals per unit area or volume such as the number of bass per cubic meter of the water in a lake

Question 3

dispersion

Answer 3

describes arrangement of individuals its in space

Question 4

growth rate

Answer 4

The percentage change in the size of a population over a given period of time

Question 5

reproduction potential

Answer 5

The rate is limited by the maximum number of off spring that each member of the population can produce

Question 6

exponential growth

Answer 6

population sometimes undergo, which means they grow faster and faster

Question 7

carrying capacity

Answer 7

What is the population size were birth rates and death rates are equal

Question 8

niche

Answer 8

can be the range of conditions in which a species can survive

Question 9

competition

Answer 9

is a relationship and which different individuals or populations attempt to use the same limited resource

Question 10

predation

Answer 10

organism that feeds on another organism is called a predator and that organism that is fed upon is the prey

Question 11

parasitism

Answer 11

The relationship between the parasite and its host

Question 12

mutualism

Answer 12

A closer relationship between two species in which each species provides a benefit to the other

Question 13

commensalism

Answer 13

relationship in which one species benefit and the other species is neither harmed or helped

Question 14

symbiosis

Answer 14

relationship in which two species live in close association