Chapter 54

Question 0

A negative interaction that occurs when individuals of different species compete for a resource that limits their growth and survival

Answer 0

Interspecific Competition

Question 1

Interactions with other species in the community

Answer 1

Interspecific interactions

Question 2

Ultimate elimination of the inferior competitor

Answer 2

Competitive exclusion

Question 3

Parasites within the body

Answer 3

Endoparasites

Question 4

Parasites outside of the body

Answer 4

Ectoparasites

Question 5

The sum of a species use of biotic and abiotic resources

Answer 5

Ecological Niche

Question 6

Interspecific Competition resolved by the evolution of niche differentiation that enables similar species to coexist in a community

Answer 6

Resource partitioning

Question 7

The tendency for characteristics to change more in sympatric (same or over-lapping geographic area) than in allopatric (separate geographic areas) populations of two species

Answer 7

Character Displacement

Question 8

An interaction between species in which one species kills and eats the other

Answer 8

Predation

Question 9

Camouflage

Answer 9

Cryptic coloration

Question 10

A bright warning coloration

Answer 10

Aposematic coloration

Question 11

A harmless species mimics a harmful one

Answer 11

Batesian mimicry

Question 12

Two harmful species mimic each other

Answer 12

Mullerian mimicry

Question 13

An interaction in which an organism eats parts of a plant or alga

Answer 13

Herbivory

Question 14

Individuals of two or more species live in direct and intimate contact with one another

Answer 14

Symbiosis

Question 15

When an organism lives on or in another organism and derives nourishment from it

Answer 15

Parasitism

Question 16

An interaction that benefits both species

Answer 16

Mutualism

Question 17

Interaction that benefits one species but doesn’t harm or help the other

Answer 17

Commensalism

Question 18

A ++ or 0/+ on the survival and reproduction of other species without living in direct contact with them

Answer 18

Facilitation

Question 19

The variety of different kinds of organisms that make up the community

Answer 19

Species Diversity

Question 20

The number of different species in a community

Answer 20

Species richness

Question 21

The proportion each species represents of all individuals in the community

Answer 21

Relative abundance

Question 22

An equation used to calculate richness and abundance

Answer 22

Shannon Diversity

Question 23

Organisms that become established outside of their native range

Answer 23

Invasive species

Question 24

Feeding relationships between organisms

Answer 24

Trophic structure

Question 25

Food chains linked together

Answer 25

Food webs

Question 26

Length of a food chain is limited by the inefficiency of energy transfer along the chain

Answer 26

Energetic hypothesis

Question 27

The total mass of all individuals in a population

Answer 27

Biomass

Question 28

Long food chains are less stable than short

Answer 28

Dynamic stability hypothesis

Question 29

Not abundant but are pivotal because of their ecological roles or niches

Answer 29

Keystone species

Question 30

Organisms that dramatically alter the environment for example a beaver

Answer 30

Ecosystem engineers