Exam 3

Question 1

What is Ecology?

Answer 1

the interactions of organisms with their environment (abiotic and biotic)

Question 2

What are the levels ecology can be studied at?

Answer 2

Global
Landscape
Ecosystem
Community
Population
Organismal

Question 3

What is biogeography

Answer 3

Distribution of organisms on Earth and factors that affect their distribution

Question 4

Name the biomes

Answer 4

Tundra
Taiga
Deciduous Forest
Grasslands/savanna
Desert
Tropical Rainforest
Chaparral

Question 5

Which of the following is a biotic factor?
a. wind
b. disease-causing microbe
c. temperature
d. soil particle size

Answer 5

b. disease-causing microbe

Question 6

The study of nutrient cycling through the environment is an example of which of the following?
a. organismal ecology
b. population ecology
c. community ecology
d. ecosystem ecology

Answer 6

ecosystem ecology

Question 7

Understory plants in a temperate forest have
adaptations to capture limited ________.
a. water
b. nutrients
c. heat
d. sunlight

Answer 7

Sunlight

Question 8

An ecologist hiking up a mountain may notice different biomes along the way due to changes in all of the following except:
a. elevation
b. rainfall
c. latitude
d. temperature

Answer 8

Latitude

Question 9

Which of the following biomes is characterized by abundant water resources?
a. deserts
b. boreal forests
c. savannas
d. tropical wet forests

Answer 9

Tropical Wet Forests

Question 10

Which of the following biomes is characterized by short growing seasons?
a. deserts
b. tropical wet forests
c. Arctic tundras
d. savannas

Answer 10

Arctic Tundras

Question 11

Where would you expect to find the most photosynthesis in an ocean biome?
a. aphotic zone
b. abyssal zone
c. benthic realm
d. intertidal zone

Answer 11

d. intertidal zone

Question 12

What are the four general levels of ecology?

Answer 12

organism, population, community, and ecosystem

Question 13

What are conspecifics?

Answer 13

Organisms that are all members of the same species

Question 14

What is Mutualism?

Answer 14

a form of long-term relationship that has coevolved between two species and from which each species benefits.

Question 15

What are biotic components?

Answer 15

Living things

Question 16

What are abiotic components?

Answer 16

Nonliving things

Question 17

Endemic species is one which is naturally found only in ________that is usually ___________.

Answer 17

a specific geographic area /restricted in size.

Question 18

6. Humans have which type of survivorship curve?

Answer 18

Type I

Question 19

How is a clumped population distribution beneficial for prey animals?
Being a member of a larger group provides protection for each individual from predators.
Prey animals rely on each other to acquire food.
Prey animals live in small family groups to raise young.
Clumped population distributions ensure that at least one member of the population knows how to identify the seasonal migration route.

Answer 19

Being a member of a larger group provides protection for each individual from predators.

Question 20

What do social behaviors do?

Answer 20

developed in order to help reduce/eliminate intraspecific competition

Question 21

. Which of the following is associated with long-term parental care?

few offspring
many offspring
semelparity
fecundity

Answer 21

Few offspring

Question 22

Which of the following is associated with multiple reproductive episodes during a species’ lifetime?

semiparity
iteroparity
semelparity
fecundity

Answer 22

iteroparity

Question 23

10. Which of the following is associated with the reproductive potential of a species?
    few offspring
    many offspring
    semelparity
    fecundity

Answer 23

fecundity

Question 24

Species with limited resources usually exhibit a(n) ________ growth curve.

Answer 24

Logistical growth curve

Question 25

The maximum rate of increased characteristic of a species is called its ________.

Answer 25

biotic potential

Question 26

. The population size of a species capable of being supported by the environment is called its ________.

Answer 26

Carrying capacity

Question 27

14. Species that have many offspring at one time are usually:

Answer 27

r-SELECTED

Question 28

A forest fire is an example of ________ regulation.

Answer 28

density-independent

Question 29

Primates are examples of:

Answer 29

K-Selected

Question 30

17. Which of the following statements does not support the conclusion that giraffes are k-selected species? Giraffes are approximately 6’ tall and weigh 150 lbs at birth. Wild giraffes begin mating at 6-7 years of age. Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth. Giraffes rarely give birth to twins.

Answer 30

Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth.

Question 31

What are the benefits of living in groups?

Answer 31

Improved foraging, reproductive assistance, reduced chance of predation

Question 32

What are the costs of living in groups?

Answer 32

increased visibility, competition, disease contraction