Unit 8: Ecology

Question 1

Endotherms

Answer 1

Animals generate own body heat through metabolism

Question 2

Imprinting

Answer 2

When mother is absent offspring will accept first moving object they see as their mother

Question 3

Habituation

Answer 3

animal learns not to respond to a stimulus

Question 4

Pheromones

Answer 4

chemical signals between members of same species that stimulate receptors and affect behavior

Question 5

Agonistic behavior

Answer 5

aggressive behavior that occurs because of competition for food and other resources

Question 6

Dominance hierarchies

Answer 6

members in group have established members that are the most dominant

Question 7

Altruistic behavior

Answer 7

action done by individual that benefits another individual even at cost of own reproduction and survival

Question 8

Mutualism

Answer 8

both organisms benefits

Question 9

Commensalism

Answer 9

one organism is benefited and the other is not affected

Question 10

Parasitism

Answer 10

one organism is benefited the other is harmed

Question 11

Phototropism

Answer 11

way plants respond to sunlight

Question 12

Gravitropism

Answer 12

way plants respond to gravity

Question 13

Thigmotropsim

Answer 13

refers to the way plants respond to touch

Question 14

predation

Answer 14

benefits predator harms prey

Question 15

Competition

Answer 15

Both organisms are affected

Question 16

exothermic

Answer 16

rely on external sources for heat