midterm 2

Question 1

infraspecific

Answer 1

between individuals off the same species

Question 2

interspecific

Answer 2

between individual of different species

Question 3

exploitation competition

Answer 3

organisms compete indirectly through the consumption of a limited resource

Question 4

interference competition

Answer 4

individuals interact directly with one another by physical force or intimidation

Question 5

resource partitioning

Answer 5

differentiation of niches, both in space and time , that enables similar species to coexist in a community

Question 6

fundamental niche

Answer 6

most species perform best over a physiologically optimal range of conditions

Question 7

realized niche

Answer 7

part of the fundamental niche is occupied by competitors, the range of the organism is limited

Question 8

sympatric

Answer 8

same geographic area

Question 9

allopatric

Answer 9

different geographic area

Question 10

antipredators

Answer 10

variety of strategies suggests that predation selective forces

Question 11

aposematic coloration

Answer 11

warning coloration

Question 12

mullein mimicry

Answer 12

noxious species converge to reinforce warning

Question 13

batsman mimicry

Answer 13

palatable mimic resembles unpalatable mode;

Question 14

mutualism

Answer 14

close associations between species in which both species benefit

Question 15

communalism

Answer 15

one member derives a benefit while the other is unaffected

Question 16

obligatory mutualism

Answer 16

neither species can live without the other

Question 17

facultative mutualism

Answer 17

interaction is beneficial but not essential

Question 18

phoresy

Answer 18

one organism uses another for transportation