ch 18

Ecology is the study of ______.
A) life
B) human effects on the environment
C) interactions between humans and other species
D) interactions between organisms and their environments

D) interactions between organisms and their environments

Which of the following is abiotic?
A) a protist
B) a plant
C) a fungus
D) a rock

D) a rock

If you study how two species of finches compete for food, you are trying to answer a question about _______.
A) community ecology
B) population ecology
C) organismal ecology
D) ecosystems ecology

A) community ecology

What level of ecology is concerned with the adaptations of individuals?
A) community
B) organismal
C) ecosystem
D) population

B) organismal

What level of ecology is concerned with groups of individuals of the same species?
A) community
B) organism
C) ecosystem
D) population

D) population

What level of ecology is concerned with groups of individuals of different species?
A) community
B) organism
C) ecosystem
D) population

A) community

What is a population?
A) a group of organisms living in a particular geographic area
B) a group of organisms of the same species living in a particular geographic area
C) a community as well as all the abiotic factors in a particular geographic area
D) all of the organisms of a species existing at a particular time

B) a group of organisms of the same species living in a particular geographic area

Which of these is a community?
A) all of the Staphlococcus aureus (a species of bacteria) living on your skin
B) all of the organisms living in your home
C) all of the people living in your neighborhood
D) all of the nut grass (considered a weed) in my backyard

B) all of the organisms living in your home

What level of ecology is concerned with both the biotic and abiotic aspects of an environment?
A) community
B) organism
C) ecosystem
D) population

C) ecosystem

Aquatic organisms ______.
A) have a waxy coating to prevent water loss
B) may experience problems with water balance
C) typically have a plentiful supply of nitrogen
D) never find light to be in short supply

B) may experience problems with water balance

Which nutrients often limit the distribution and abundance of photosynthetic organisms?
A) water and oxygen
B) nitrogen and phosphorus
C) carbon dioxide and nitrogen
D) water and carbon dioxide

B) nitrogen and phosphorus

Which of the following is a behavioral response to environmental variability?
A) migrating to a different location
B) acclimation
C) endothermy
D) "flagging" by trees

A) migrating to a different location

In an aquatic ecosystem, what name is given to the region where photosynthesis can occur?
A) pelagic zone
B) aphotic zone
C) benthic zone
D) photic zone

D) photic zone

Wetlands ______.
A) are important in improving water quality
B) include rivers, streams, ponds, and lakes
C) are an example of a marine biome
D) are found in the intertidal zone

A) are important in improving water quality

What are estuaries?
A) a type of freshwater biome
B) areas near the start of a river
C) regions where ocean meets land
D) a transition area between a river and the ocean

D) a transition area between a river and the ocean

What name is given to the region where sea meets land?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone

B) intertidal zone

What name is given to the open ocean?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) photic zone

A) pelagic realm

In what part of the ocean are phytoplankton found?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone

A) pelagic realm

What name is given to the seafloor?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone

C) benthic realm

The temperate zones ______.
A) have the coolest climates on Earth
B) are relatively wet
C) are relatively dry
D) are the zones closest to the equator

B) are relatively wet

What is one important difference between savannas and temperate grasslands?
A) Savannas only rarely experience fires
B) Savannas have trees
C) Savannas are inhabited by grazing mammals
D) Savannas have very fertile soil

B) Savannas have trees

Which of these biomes is maintained by fire?
A) temperate deciduous forest
B) chaparral and savanna
C) desert and chaparral
D) savanna and temperate grassland

B) chaparral and savanna

Permafrost, or permanently frozen subsoil, characterizes _____.
A) temperate deciduous forest
B) chaparral
C) tundra
D) coniferous forest

C) tundra

What name is given to the seafloor?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone

C) benthic realm

What level of ecology is concerned with both the biotic and abiotic aspects of an environment?
A) community
B) organism
C) ecosystem
D) population

C) ecosystem

ch 18 - Subjecto.com

ch 18

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Ecology is the study of ______.
A) life
B) human effects on the environment
C) interactions between humans and other species
D) interactions between organisms and their environments

D) interactions between organisms and their environments

Which of the following is abiotic?
A) a protist
B) a plant
C) a fungus
D) a rock

D) a rock

If you study how two species of finches compete for food, you are trying to answer a question about _______.
A) community ecology
B) population ecology
C) organismal ecology
D) ecosystems ecology

A) community ecology

What level of ecology is concerned with the adaptations of individuals?
A) community
B) organismal
C) ecosystem
D) population

B) organismal

What level of ecology is concerned with groups of individuals of the same species?
A) community
B) organism
C) ecosystem
D) population

D) population

What level of ecology is concerned with groups of individuals of different species?
A) community
B) organism
C) ecosystem
D) population

A) community

What is a population?
A) a group of organisms living in a particular geographic area
B) a group of organisms of the same species living in a particular geographic area
C) a community as well as all the abiotic factors in a particular geographic area
D) all of the organisms of a species existing at a particular time

B) a group of organisms of the same species living in a particular geographic area

Which of these is a community?
A) all of the Staphlococcus aureus (a species of bacteria) living on your skin
B) all of the organisms living in your home
C) all of the people living in your neighborhood
D) all of the nut grass (considered a weed) in my backyard

B) all of the organisms living in your home

What level of ecology is concerned with both the biotic and abiotic aspects of an environment?
A) community
B) organism
C) ecosystem
D) population

C) ecosystem

Aquatic organisms ______.
A) have a waxy coating to prevent water loss
B) may experience problems with water balance
C) typically have a plentiful supply of nitrogen
D) never find light to be in short supply

B) may experience problems with water balance

Which nutrients often limit the distribution and abundance of photosynthetic organisms?
A) water and oxygen
B) nitrogen and phosphorus
C) carbon dioxide and nitrogen
D) water and carbon dioxide

B) nitrogen and phosphorus

Which of the following is a behavioral response to environmental variability?
A) migrating to a different location
B) acclimation
C) endothermy
D) "flagging" by trees

A) migrating to a different location

In an aquatic ecosystem, what name is given to the region where photosynthesis can occur?
A) pelagic zone
B) aphotic zone
C) benthic zone
D) photic zone

D) photic zone

Wetlands ______.
A) are important in improving water quality
B) include rivers, streams, ponds, and lakes
C) are an example of a marine biome
D) are found in the intertidal zone

A) are important in improving water quality

What are estuaries?
A) a type of freshwater biome
B) areas near the start of a river
C) regions where ocean meets land
D) a transition area between a river and the ocean

D) a transition area between a river and the ocean

What name is given to the region where sea meets land?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone

B) intertidal zone

What name is given to the open ocean?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) photic zone

A) pelagic realm

In what part of the ocean are phytoplankton found?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone

A) pelagic realm

What name is given to the seafloor?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone

C) benthic realm

The temperate zones ______.
A) have the coolest climates on Earth
B) are relatively wet
C) are relatively dry
D) are the zones closest to the equator

B) are relatively wet

What is one important difference between savannas and temperate grasslands?
A) Savannas only rarely experience fires
B) Savannas have trees
C) Savannas are inhabited by grazing mammals
D) Savannas have very fertile soil

B) Savannas have trees

Which of these biomes is maintained by fire?
A) temperate deciduous forest
B) chaparral and savanna
C) desert and chaparral
D) savanna and temperate grassland

B) chaparral and savanna

Permafrost, or permanently frozen subsoil, characterizes _____.
A) temperate deciduous forest
B) chaparral
C) tundra
D) coniferous forest

C) tundra

What name is given to the seafloor?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) aphotic zone

C) benthic realm

What level of ecology is concerned with both the biotic and abiotic aspects of an environment?
A) community
B) organism
C) ecosystem
D) population

C) ecosystem

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