Quiz about APES Unit 2 Review

Question 1

A tapeworm lives in the small intestines where it feeds and grows, robbing the human of essential nutrients. This is a _____ type of relationship.

Accepted Answer

Parasitism

Answer

Commensalism

Answer

Symbiotic

Answer

Mutualism

Question 2

The cattle egret follows herds of cattle and eat the insects that the cattle stir up as they move through the grassland. The cattle appear to be unaffected by the egrets. This is a _____ type of relationship.

Accepted Answer

Commensalism

Answer

Parasitism

Answer

Symbiotic

Answer

Mutualism

Question 3

What law best relates to energy loss within an ecosystem?

Accepted Answer

Second law of thermodynamics

Answer

First law of thermodynamics

Answer

Third law of thermodynamics

Answer

Law of conservation of matter

Question 4

Which best describes the concept of net primary production?

Accepted Answer

energy captured minus energy lost

Answer

total amount of energy available from the Sun

Answer

total amount of cellular respiration conducted within an ecosystem

Answer

total amount of energy available from the producer

Question 5

Which biome is characterized by the presence of permafrost?

Accepted Answer

tundra

Answer

temperate seasonal forest

Answer

woodland/shrubland

Answer

boreal forest

Question 6

Terrestrial biomes are defined by ____ and ____ variables.

Accepted Answer

temperature; precipitation

Answer

temperature; animals

Answer

precipitation; plants

Answer

animals; plants

Question 7

What is a herbivore?

Accepted Answer

only eats plants

Answer

receives energy from the sun

Answer

only eats meat

Answer

eats both plants and meat

Question 8

A keystone species is best defined as

Accepted Answer

an organism that keeps the food web stable

Answer

an organism that eats all others

Answer

an organism that runs the fastest

Answer

an organism that has the most advantages

Question 9

Which of the following are examples of wetlands?

Accepted Answer

all of these are correct

Answer

swamps

Answer

marshes

Answer

bogs

Question 10

Which biome has warm temperatures, high precipitation, and little seasonal variation due to its location near the equator?

Accepted Answer

Tropical rainforest

Answer

Boreal forest

Answer

Woodland/shrubland

Answer

Subtropical desert

Question 11

The direction of an arrow in a food chain represents

Accepted Answer

the flow of energy from organism A to B

Answer

the flow of energy from organism B to A

Answer

the movement of organisms

Answer

the directionality of the sun

Question 12

In the nitrogen cycle, this process is carried out by decomposers and returns nutrients in organic matter back to the soil.

Accepted Answer

Ammonification

Answer

Nitrification

Answer

Assimilation

Answer

Denitrification

Question 13

In the nitrogen cycle, this process releases nitrous oxide and nitrogen gas back into the atmosphere.

Accepted Answer

Denitrification

Answer

Nitrification

Answer

Assimilation

Answer

Ammonification

Question 14

In the nitrogen cycle, plants convert inorganic nitrogen compounds into organic compounds such as amino acids.

Accepted Answer

Assimilation

Answer

Nitrification

Answer

Ammonification

Answer

Denitrification

Question 15

According to the 10% Energy Rule, a field containing 200,000 kg of producers should provide sufficient energy to support _____ kg of grasshoppers and _____ kg of mockingbirds (which eat grasshoppers).

Accepted Answer

20,000 ; 2000

Answer

2000 ; 20,000

Answer

200,000 ; 20,000

Answer

2000 ; 200

Question 16

In the carbon cycle, which process does NOT release carbon dioxide gas into the atmosphere?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Combustion

Question 17

Which process occurs in the phosphorus cycle?

Accepted Answer

Weathering and Erosion

Answer

Photosynthesis

Answer

Respiration

Answer

Ammonification

Question 18

Up to 85% of plant species have specialized fungi living in their roots, providing nutrients such as nitrates and phosphates. The fungus gains valuable nutrients from the plant roots. This is an example of

Accepted Answer

Mutualism

Answer

Commensalism

Answer

Parasitism

Answer

Competition

Question 19

Several species of warblers (birds) live in different areas of the same tree. This phenomenon is known as

Accepted Answer

Resource Partitioning

Answer

Secondary Succession

Answer

Parasitism

Answer

Nutrient Cycling

Question 20

In which of these biomes does fire serve the role of building deep topsoils and minimizing the establishment of trees?

Accepted Answer

Temperate Grasslands (Prairies)

Answer

Tundra

Answer

Tropical Rainforest

Answer

Taiga/Boreal Forest

Question 21

Which of the following pollution types is most likely to cause eutrophication in a lake ecosystem?

Accepted Answer

Fertilizer from farm fields, golf courses, lawns

Answer

Oil from parking lots

Answer

Pesticides from farm fields, golf courses, lawns

Answer

Heavy metals from mining practices

Question 22

In which ocean zone is there abundant sunlight, photosynthesis, and phytoplankton?

Accepted Answer

Photic Zone

Answer

Benthic Zone

Answer

Aphotic Zone

Answer

Profundal Zone

Question 23

Which terrestrial biome is located primarily in northern Canada and Russia, and is characterized by cold temperatures, moderate rainfall, and conifer trees?

Accepted Answer

Taiga/Boreal Forest

Answer

Chaparral

Answer

Temperate Deciduous Forest

Answer

Tundra

Question 24

The most biologically diverse areas of the ocean include coral reefs and estuaries. All of the following characteristics are why these ecosystems can suport such a high level of diversity EXCEPT

Accepted Answer

These ecosystems are not commercially important, so human impact is limited

Answer

They are areas of high primary productivity

Answer

Both ecosystems have abundant nutrient flow that supports phytoplankton populations

Answer

Coral reefs and estuaries have abundant sunlight and habitat space

Question 25

The Amazon Basin of South America is the world's largest rainforest. Forest cover is rapidly decreasing due to logging and conversion of forest to agricultural lands. The loss of forests would most likely

Accepted Answer

Increase the amount of atmospheric carbon dioxide.

Answer

Increase the amount of water vapor in the air due to increased transpiration

Answer

Decrease regional flooding

Answer

Decrease the amount of atmospheric nitrogen

Question 26

The temperature of your skin increases, which leads to an increase in perspiration. Perspiration evaporates from your skin, decreasing its temperature. This is an example of

Accepted Answer

a negative feedback loop

Answer

a positive feedback loop

Answer

the second law of thermodynamics

Answer

a tragedy of the commons

Question 27

Nitrogen, the most abundant gas in the atmosphere, cycles through the ecosystem and is primarily controlled by

Accepted Answer

the activity of specialized bacteria

Answer

evaporation and precipitation

Answer

erosion of rocks by wind and rain

Answer

chemical exchange with the oceans

Question 28

All of the following are characteristics associated with estuaries and wetland ecosystems EXCEPT

Accepted Answer

the increase flooding during rainy seasons

Answer

they are economically valuable for commercial and recreational fishing

Answer

they serve as groundwater recharge systems

Answer

they provide nursery areas for aquatic organisms and breeding grounds for waterfowl

Question 29

In the carbon cycle, which is NOT a carbon sink?

Accepted Answer

Atmosphere

Answer

Forests

Answer

Oceans

Answer

Sediments and buried organic materials

Question 30

Secondary consumers are which trophic level in a food chain?

Accepted Answer

3rd trophic level

Answer

1st trophic level

Answer

2nd trophic level

Answer

4th trophic level

APES Unit 2 Review

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