Final Exam (2): Ecology

Question 1

*Define ecology

Question 2

*List the six levels of organization in in ecology from BROADEST to MOST specific

Answer 2

3. 4.
4. 6.

Question 3

*Define autotroph

Question 4

*Define heterotroph

Question 5

*Define niche

Question 6

*Define habitat

Question 7

*Define carrying capacity

Question 8

*Define keystone species

Question 9

*Define population density

Question 10

*Define commensalism

Question 11

*Define mutualism

Question 12

*Define symbiosis

Question 13

*Define parasitism

Question 14

*Define predation

Question 15

*Explain the difference between a biotic and abiotic factor. Give several examples of each.

Question 16

*Explain the difference density dependent and density independent factors on a population. Give several examples of each.

Question 17

*What do herbivores eat?

Question 18

*What do carnivores eat?

Question 19

*What do omnivores eat?

Question 20

*What do detritivores eat?

Question 21

*What do decomposers eat?

Question 22

*Which two organisms would be a decomposer?

Question 23

*According to the carbon cycle, what are the different ways that carbon can be added to the atmosphere?

Question 24

*What is the difference between a logistic growth curve and an exponential growth curve? Draw each and explain what it means.

Question 25

*What is the difference between a food chain and a food web? Which one is better and why?

Question 26

*Birth rate (increases/decreases) the population size

Answer 26

increases

Question 27

*Death rate (increases/decreases) the population size

Answer 27

decreases

Question 28

*Immigration (increases/decreases) the population size

Answer 28

increases

Question 29

*Emigration (increases/decreases) the population size

Answer 29

decreases