Biology Unit 9 & 10

Question 1

T or F. all reptiles have a keen sense of smell

Answer 1

F

Question 2

Three major ecologic roles do birds fill in their ecosystems?

Answer 2

1. pollinating flowers and dispersing seeds
2. provide food for predators
3. regulating pest populations

Question 3

Specific or nonspecific immunity
Uses B and T cells to fight infections

Answer 3

Specific

Question 4

T or F: more aggressive individuals are more likely to survive and reproduce, one of the reasons social behavior improves fitness

Answer 4

T

Question 5

T or F: social behavior improves fitness because helping relatives survive will indirectly increase and individual’s fitness

Answer 5

T