Question 1

Which set of three parameters has the MOST effect on biome distributions?

Accepted Answer

A) latitude, longitude, precipitation 
B) precipitation, longitude, temperature 
C) temperature, latitude, climate 
D) latitude, precipitation, temperature

Question 2

What ecosystem service do meanders provide?

Accepted Answer

A) They provide additional habitat. 
B) They absorb pollutants from the water 
C) They slow down water flow 
D) They increase river length

Question 3

Which of the following biomes is characterized by moist winters and hot, dry summers?

Accepted Answer

A) temperate grassland 
B) desert 
C) tundra 
D) chaparral

Question 4

How are temperate rain forests and the boreal forest similar?

Accepted Answer

A) Both have mild winters 
B) Both are dominated by conifers 
C) Both have tree species that are drought adapted 
D) Both experience dense fogs

Question 5

Evidence for natural selection includes:

Accepted Answer

A) Observations from the fossil record. 
B) Evidence from comparative anatomy. 
C) Evidence from molecular biology. 
D) All of these choices.

Question 6

The Origin of Species by Means of Natural Selection was written by Charles Darwin.

Accepted Answer

A) True 
 B)False

Question 7

Near the poles temperature is the overriding climate factor defining a biome.

Accepted Answer

A) True 
 B)False

Question 8

What is the main difference between short and tall grass prairies?

Accepted Answer

A) One is dominated by grasses and the other is dominated by forbs. 
B) Tall grass prairies receive more rainfall than short grass prairies. 
C) Short grass prairies occur in warmer latitudes than tall grass prairies. 
D) Tall grass prairies typically have colder winters than short grass prairies

Question 9

Which of the following is an ecosystem service?

Accepted Answer

A) Predation 
B) Groundwater recharge 
C) Habitat fragmentation 
D) Fossil fuel emissions

Question 10

Compare and contrast the zonation and ecology of freshwater lakes. Identify relevant processes, and incorporate specific examples where appropriate using the following terminology: littoral, limnetic, and profundal.

Accepted Answer

The answer of Compare and contrast the zonation and ecology...

Question 11

Changes in vegetation with increasing elevation resemble changes observed in vegetation when going from warmer to colder climates.

Accepted Answer

A) True 
 B)False

Question 12

The deepest zone in a large lake, below where the sunlight penetrates, is the:

Accepted Answer

A) limnetic zone. 
B) littoral zone. 
C) profundal zone. 
D) benthic zone.

Question 13

Where would you expect to find the littoral zone of a lake?

Accepted Answer

A) Shallow water area along the shore 
B) Open water area farther from shore with enough sunlight for photosynthesis 
C) Deepest known, where light typically does not penetrate effectively 
D) Bottom region where organisms tend to attach themselves to one spot

Question 14

What type of trees would you expect to find in a boreal forest?

Accepted Answer

A) coniferous 
B) deciduous 
C) temperate 
D) hardwoods

Question 15

What biome is most likely to have the following temperature and rainfall profile?

Accepted Answer

A) savanna 
B) boreal forest 
C) tropical rainforest 
D) tundra

Question 16

Using the graphs below, compare and contrast the climates of the temperate grasslands and the savanna. What are the implications of these climatic differences for the soil as well as the plants and animals that live in each biome?

Accepted Answer

The answer of Using the graphs below, compare and contrast...

Question 17

Which the following statements typifies tropical rain forests?

Accepted Answer

A) They are usually composed of at least ten distinct layers, or stories, of vegetation. 
B) They are found in areas with high accumulations of organic material in the soil. 
C) They occur in areas with ancient, highly weathered soil. 
D) They are known for being only moderately productive.

Question 18

What is natural selection? What are the basic requirements for natural selection?

Accepted Answer

The answer of What is natural selection? What are the...

Question 19

Modern synthesis refers to:

Accepted Answer

A) The major changes that have been recently made to Darwin's theory of natural selection. 
B) The modern rejection of Darwin's theory of natural selection based on new evidence. 
C) Evidence for the Darwin's theory of natural selection. 
D) The unified explanation of evolution based on a synthesis of Darwin's theory of natural selection with the principles of genetic.

Question 20

Which of the following is a biological control that is used to suppress wild fires in chaparral?

Accepted Answer

A) viral diseases 
B) goats 
C) introduced species 
D) insect herbivores

Exam 6: Ecosystems and Evolution

Which set of three parameters has the MOST effect on biome distributions?

What ecosystem service do meanders provide?

Which of the following biomes is characterized by moist winters and hot, dry summers?

How are temperate rain forests and the boreal forest similar?

Evidence for natural selection includes:

The Origin of Species by Means of Natural Selection was written by Charles Darwin.

Near the poles temperature is the overriding climate factor defining a biome.

What is the main difference between short and tall grass prairies?

Which of the following is an ecosystem service?

Compare and contrast the zonation and ecology of freshwater lakes. Identify relevant processes, and incorporate specific examples where appropriate using the following terminology: littoral, limnetic, and profundal.

Changes in vegetation with increasing elevation resemble changes observed in vegetation when going from warmer to colder climates.

The deepest zone in a large lake, below where the sunlight penetrates, is the:

Where would you expect to find the littoral zone of a lake?

What type of trees would you expect to find in a boreal forest?

What biome is most likely to have the following temperature and rainfall profile?

Using the graphs below, compare and contrast the climates of the temperate grasslands and the savanna. What are the implications of these climatic differences for the soil as well as the plants and animals that live in each biome?

Which the following statements typifies tropical rain forests?

What is natural selection? What are the basic requirements for natural selection?

Modern synthesis refers to:

Which of the following is a biological control that is used to suppress wild fires in chaparral?