Ecology Vocab 1

Question 1

Abiotic Factor

Answer 1

A non-living feature of an organism, not containing carbon

Question 2

Biodiversity

Answer 2

the variety of life in the world or in a particular ecosystem or habitat

Question 3

Biotic Factor

Answer 3

A living feature of an ecosystem, containing carbon

Question 4

Population

Answer 4

a group of individuals of one species in an area

Question 5

Coexistence

Answer 5

the living together of two organisms or species in the same habitat without trying to eliminate the other

Question 6

Commensalism

Answer 6

an association between two organisms in which one benefits and the other derives neither benefit nor harm.

Question 7

Competition

Answer 7

an interaction between organisms or species for resources

Question 8

Mutualism

Answer 8

a relationship between two species of organisms that both benefit from the relationship

Question 9

Parasitism

Answer 9

a relationship between two organisms in which one benefits or lives off the other

Question 10

Predation

Answer 10

an interaction between species in which one species (the predator) eats the other (the prey)

Question 11

Symbiosis

Answer 11

interaction between two different organisms living in close physical association.

Question 12

Density-Dependent Factor

Answer 12

The tendency for the death rate in a population to increase. or the birth/growth rate to decrease as the density of the population increases.

Question 13

Density-Independent Factor

Answer 13

The tendency for the death rate in a population or birth/growth rate to neither rise nor fall as the density of the population increases.