Vocab Environmental

Question 1

Organisms that seek the same resource have a relationship called ______.

Answer 1

competition

Question 2

______ takes place between members of the same species.

Answer 2

Intraspecific competition

Question 3

______ takes place between members of different species.

Answer 3

Interspecific competition

Question 3

If one species is a stronger competitor, it may exclude other species from the resource. This is____

Answer 3

competitive exclusion.

Question 4

Otherwise, if no single competitor excludes others, species live side by side. This is _____

Answer 4

species coexistence.

Question 5

A _____ is a species’ role in an ecosystem, including resource use, habitat use, food consumption, and other attributes.

Answer 5

niche

Question 6

Coexisting species will alter their behaviors to minimize _____, altering their niche.

Answer 6

competition

Question 7

The full potential niche of a species is called its ______.

Answer 7

fundamental niche

Question 8

An individual that only plays part of its role due to competition or other interactions has a ______

Answer 8

realized niche.

Question 9

Over many generations, natural selection may favor______, where individuals use shared resources in different ways.

Answer 9

resource partitioning

Question 10

This may lead to ______, where competing species diverge and develop different characteristics.

Answer 10

character displacement

Question 11

_____ is the process by which individuals of one species (the predators) capture, kill, and consume individuals of another (the prey).

Answer 11

Predation

Question 12

_____ is a relationship where one organism depends on the other for nourishment.

Answer 12

Parasitism,

Parasitism, unlike predation, usually does not result in an organism’s death.

Question 13

Parasites that cause disease are called _____.

Answer 13

pathogens.

Question 14

Parasites and hosts adapt and counter-adapt to each other through a process called ______.

Answer 14

coevolution

Question 15

In ______, animals feed on the tissues of plants.

Answer 15

herbivory,

Insects are the most common type of herbivore.

Question 16

_____ is a relationship where two or more species benefit each other.

Answer 16

Mutualism

Question 17

Many mutualistic relationships occur as part of ______, a close physical association between species.

Answer 17

symbiosis

Question 18

Others, such as in _____, only require free-living organisms to encounter each other once.

Answer 18

pollination