Lab Chapter 3

Question 1

Example of plant-animal interactions

Answer 1

the tree, duroia hirsuta & the ant myrmelachista

Question 2

mutualisms

Answer 2

interactions where both species benefit +/+

Question 3

consumer resource interaction

Answer 3

one benefits, other suffers a cost -/+

Question 4

competition

Answer 4

both species suffer negative impact -/-

Question 5

Tolerance

Answer 5

a plant’s ability to reduce the effects of herbivory on fitness

Question 6

Defense

Answer 6

a trait that reduces damage to a plant by herbivores

Question 7

Phenology

Answer 7

the study of life cycles of plant and animals in relation to seasonal change

Question 8

constitutive defenses

Answer 8

the expression of some defenses does not significantly fluctuate over time

Question 9

induced defenses

Answer 9

defenses that are produced or increase their level of expression following damage by a herbivore