PPt.8: Community Ecology Unit 1

Question 1

Close ecological relationship with other species, ex. an organism living in or on another organism

Answer 1

Symbiosis

Question 2

(+)

Answer 2

Beneficial for one organism

Question 3

(-)

Answer 3

Detrimental to one organism

Question 4

0

Answer 4

Neutral

Question 5

(-,-)

Answer 5

Competition

Question 6

(+,-)

Answer 6

Parasitism/Predation

Question 7

(+,+)

Answer 7

Mutualism

Question 8

(+,0)

Answer 8

Commensalism

Question 9

Within members of the same species

Answer 9

Intraspecific Competition

Question 10

Members of different species

Answer 10

Interspecific Competition

Question 11

Involves direct interaction between competitors such that the action of one species inhibits the other species

Answer 11

Interference Competition

Question 12

Involves more indirect inhibitory effects

Answer 12

Resource exploitation competition

Question 13

Describes all of the factors that determine where it can live and successfully replace itself

Answer 13

Ecological Niche

Question 14

Temperature and humidity are

Answer 14

Abiotic factors

Question 15

Organism’s competitors are

Answer 15

Biotic factors

Question 16

Consists of the entire set of conditions under which an organism can persist

Answer 16

Fundamental Niche

Question 17

Actual set of conditions under which the organism lives

Answer 17

Realized Niche

Question 18

Organisms living in the same habitat may utilize different resources

Answer 18

Resource Partitioning

Question 19

The potential competitors feed at different times

Answer 19

Temporal Separation

Question 20

Community is organized around it

Answer 20

Keystone Predator

Question 21

Tough seed coats or spines

Answer 21

Structural Defense

Question 22

only released when plant cells are broken or injured

Answer 22

Toxic alkaloid compounds

Question 23

Stinging cells or irritating substances that can be sprayed into the face of an attacker

Answer 23

Chemical Defenses

Question 24

Barbed quills, spines or body armor

Answer 24

Mechanical Defense

Question 25

Concealment, hiding by not being seen

Answer 25

Crypsis

Question 26

Warning colors

Answer 26

Aposematic colors

Question 27

When revealed, confuse, startle or frighten a potential predator

Answer 27

Startle coloration

Question 28

Photosynthetic algae that help coral animals deposit the calcium carbonate necessary to form their skeletons

Answer 28

Zooxanthellae