Interactions in Communities

Question 1

Ecological Communities

Answer 1

Individuals interact with each other and members of other populations

Question 2

Niche

Answer 2

The role and position of an organism in the environment, and it is not just where the organism lives but how it lives

Question 3

Interspecific Competition

Answer 3

Two different species competing for the same resources

Question 4

Intraspecific Competition

Answer 4

Competition withing a species for resources

Question 5

Competitive Exclusion Principle

Answer 5

Complete competitors cannot live together in the same habitat

Question 6

Predator/Prey Relationships

Answer 6

One organism hunts, kills and eats another

Question 7

Symbiotic Relationship

Answer 7

Relationships in which two organisms live in close association

Question 8

Commensalism

Answer 8

One organism benefits the other is unharmed

Question 9

Mutualism

Answer 9

Mutually beneficial relationship

Question 10

Parasitism

Answer 10

One organism lives off another and attains all its nutrients from the hose

Question 11

Carnivore

Answer 11

Eats other animals to obtain food

Question 12

Herbivore

Answer 12

Obtains its food exclusively from plants

Question 13

Omnivore

Answer 13

Organism that eats both plants and animals

Question 14

Parasite

Answer 14

Lives in or on another organism

Question 16

Cryptic Coloration

Answer 16

Comouflaged by patterns and colors that match background used by both predator and prey

Question 17

Aposematic Coloration

Answer 17

Bright coloration warns of poisonous or noxious chemical substances

Question 18

Batesian Mimicry

Answer 18

Non-toxic animals copy closely aposematic coloration but do not possess their own defence mechanism

Question 19

Mullerian Mimicry

Answer 19

Organism resembles another with a defence mechanism and has a defence mechanism itself (coevolution)

Question 20

Protective Coloration

Answer 20

Insects with eyespots to frighten predator

Question 21

Pioneer Species

Answer 21

The first species to colonize a habitat

Question 22

Climax community

Answer 22

Stable groups of plant and animal species that typify a community

Question 23

Primary Succession

Answer 23

Building a community where none existed before

Question 24

Secondary Succession

Answer 24

Rebuilding of a stable community after natural or human intervention

Question 25

Sustainablity

Answer 25

Living in such a way as to not jeopardize the health of future generations or the health of the planet

Question 27

What causes zero population growth

Answer 27

Birth Rate = Death Rate

Question 28

Population Histograms

Answer 28

Breaking down the population by age group to make predictions of population trends