Introduction to Ecology

Ecology is defined asA. Study of plantsB. Study of animalsC. Study of organisms focusing on energy

transferD. Study of the earth

Ecology is defined asA. Study of plantsB. Study of animalsC. Study of organisms focusing on energy

transferD. Study of the earth

The environment is made up A. Animals and plants onlyB. Abiotic and biotic factorsC. Weather and soil onlyD. People, weather, and soil only

The environment is made up A. Animals and plants onlyB. Abiotic and biotic factorsC. Weather and soil onlyD. People, weather, and soil only

The order of our social order, from largest to smallest isA. Biosphere, ecosystem, population, community, and

organismB. Organism, population, community, ecosystem, and

biosphereC. Community, populations biosphere, ecosystems,

and organismsD. Biosphere, ecosystem, community, population, and

organism

The order of our social order, from largest to smallest isA. Biosphere, ecosystem, population, community, and

organismB. Organism, population, community, ecosystem, and

biosphereC. Community, populations biosphere, ecosystems,

and organismsD. Biosphere, ecosystem, community, population,

and organism

A unicellular organism isA. A single celled, living organismB. Two celled, living organismC. A multicellular living organismD. A part of earth that has survived the glacial

order

A unicellular organism isA. A single celled, living organismB. Two celled, living organismC. A multicellular living organismD. A part of earth that has survived the glacial

order

A group of organisms one species living is the same place at the same time that interbreed isA. A communityB. An ecosystemC. A populationD. A biosphere

A group of organisms one species living is the same place at the same time that interbreed isA. A communityB. An ecosystemC. A populationD. A biosphere

Several interacting populations that inhabit a common environment and are interdependent is aA. PopulationB. CommunityC. BiosphereD. ecosystem

Several interacting populations that inhabit a common environment and are interdependent is aA. PopulationB. CommunityC. BiosphereD. ecosystem

An ecosystem can be defined asA. Communities in a population and the abiotic

factors with which they interactB. Populations in a community and the abiotic

factors with which they interact.C. Communities in a population and the biotic

factors with which they interactD. Populations in a community and the biotic

factors with which they interact.

An ecosystem can be defined asA. Communities in a population and the abiotic

factors with which they interactB. Populations in a community and the abiotic

factors with which they interact.C. Communities in a population and the biotic

factors with which they interactD. Populations in a community and the biotic

factors with which they interact.

The life supporting portions of Earth composed of air, land, fresh water, and salt water as well as being the highest level of organization is a A. PopulationB. CommunityC. BiosphereD. Family

The life supporting portions of Earth composed of air, land, fresh water, and salt water as well as being the highest level of organization is a A. PopulationB. CommunityC. BiosphereD. Family

A ___________ is the role a species plays in a community; its total way of life/A. PopulationB. NicheC. CityD. family

A ___________ is the role a species plays in a community; its total way of life/A. PopulationB. NicheC. CityD. family

What is the definition of a limiting factor?A. The amount of money in a communityB. The number of people in a communityC. The amount of food available in the

populationD. Any biotic or abiotic factor that restrict the

existence of organisms in a specific environment.

What is the definition of a limiting factor?A. The amount of money in a communityB. The number of people in a communityC. The amount of food available in the

populationD. Any biotic or abiotic factor that restrict the

existence of organisms in a specific environment.

An example of a “limiting factor” would be:A. Any biotic organismB. Any abiotic organismC. Any amount of foodD. Any type of car

An example of a “limiting factor” would be:A. Any biotic organismB. Any abiotic organismC. Any amount of foodD. Any type of car

The three types of feeding relationships areA. Producer-consumer, predator-prey, parasite-

hostB. Producer-prey, predator- consumer, parasite-

hostC. Parasite-producer, consumer-host, parasite-

predatorD. Producer-consumer, predator-parasite, prey-

host

The three types of feeding relationships areA. Producer-consumer, predator-prey, parasite-

hostB. Producer-prey, predator- consumer, parasite-

hostC. Parasite-producer, consumer-host, parasite-

predatorD. Producer-consumer, predator-parasite, prey-

host

A producer isA. At the top of the food chainB. At the middle of the food chainC. At the bottom of the food chainD. Not on the food chain at all

A producer isA. At the top of the food chainB. At the middle of the food chainC. At the bottom of the food chainD. Not on the food chain at all

Consumers canA. Only survive by taking in the sun.B. Survive only by using photosynthesisC. Be primary or tertiaryD. Only consume plants

Consumers canA. Only survive by taking in the sun.B. Survive only by using photosynthesisC. Be primary or tertiaryD. Only consume plants

Omnivores A. Eat only meatB. Eat both plants and animalsC. Eat only plantsD. Can be lions

Omnivores A. Eat only meatB. Eat both plants and animalsC. Eat only plantsD. Can be lions

Symbiosis isA. Many species living togetherB. the same species living togetherC. An agreement between the same species to

share foodD. Two species living together

Symbiosis isA. Many species living togetherB. the same species living togetherC. An agreement between the same species to

share foodD. Two species living together

Commensalism is one form of symbiotic relations thatA. Neither species benefits from the relationshipsB. Both species benefits C. One species benefits and the other species is

harmedD. One species benefits and the other is neither

harmed nor helped

Commensalism is one form of symbiotic relations thatA. Neither species benefits from the relationshipsB. Both species benefits C. One species benefits and the other species is

harmedD. One species benefits and the other is neither

harmed nor helped

One type of symbiotic relationships is mutualism whichA. Benefits neither participantB. Benefits both speciesC. One species benefits, the second is not

affectedD. Neither species benefits

One type of symbiotic relationships is mutualism whichA. Benefits neither participantB. Benefits both speciesC. One species benefits, the second is not

affectedD. Neither species benefits

A trophic levelA. Represents a feeding step in the transfer of

energy and matterB. Is only observed in a symbiotic relationshipC. Represents high tide and low tides of the

oceansD. Is determined by the depth of the ocean

A trophic levelA. Represents a feeding step in the transfer of

energy and matterB. Is only observed in a symbiotic relationshipC. Represents high tide and low tides of the

oceansD. Is determined by the depth of the ocean

__________ is transferred upwards but is diminished with each transfer.A. BiomassB. CompostC. EnergyD. Food chain

__________ is transferred upwards but is diminished with each transfer.A. BiomassB. CompostC. EnergyD. Food chain

A food chain is a model that showsA. A complicated design of matter and energy

moving through the ecosystemB. The proper eating diet for a long lifeC. how matter and energy move through an

ecosystemD. The process of food production in the

ecosystem

A food chain is a model that showsA. A complicated design of matter and energy

moving through the ecosystemB. The proper eating diet for a long lifeC. how matter and energy move through an

ecosystemD. The process of food production in the

ecosystem

Different from a food chain, the food web showsA. All possible feeding relationships in a

community at each trophic levelB. The simplicity of a species acquiring foodC. The problems species have in a hostile

environment of obtaining foodD. How different foods are obtained by different

species

Different from a food chain, the food web showsA. All possible feeding relationships in a

community at each trophic levelB. The simplicity of a species acquiring foodC. The problems species have in a hostile

environment of obtaining foodD. How different foods are obtained by different

species

Nitrogen makes up about how much of the air in the atmosphere?A. 3-5%B. 30-50%C. 80-90%D. 78-80%

Nitrogen makes up about how much of the air in the atmosphere?A. 3-5%B. 30-50%C. 80-90%D. 78-80%

Nitrogen fixation A. Makes NH4 become N2

B. Makes NH4 become NH2

C. Makes N2 become NH4

D. Makes N2 become N4

Nitrogen fixation A. Makes NH4 become N2

B. Makes NH4 become NH2

C. Makes N2 become NH4

D. Makes N2 become N4

__________ organisms are one-celled.

• Unicellular organisms are one-celled.

• Which of these statements best describes a niche in an ecosystem? – A. the role of a species in its population – B. the role of a species in its community – C. the way a species uses the resources in its

habitat – D. the way a species interacts with other species

in its habitat

• Which of these statements best describes a niche in an ecosystem? – A. the role of a species in its population – B. the role of a species in its community – C. the way a species uses the resources in its

habitat – D. the way a species interacts with other species

in its habitat

• A spider hides in an orchid flower. It captures and eats insects as they enter the flower. How could this be an example of mutualism? – A. if the spider is also eating part of the flower – B. if the spider’s actions do not affect the orchid

plant – C. if the insects that the spider captures are

harming the flower – D. if the insects that the spider captures are

pollinating the flower

• A spider hides in an orchid flower. It captures and eats insects as they enter the flower. How could this be an example of mutualism? – A. if the spider is also eating part of the flower – B. if the spider’s actions do not affect the orchid

plant – C. if the insects that the spider captures are

harming the flower – D. if the insects that the spider captures are

pollinating the flower

• Why are decomposers an essential part of a healthy ecosystem? – A. Decomposers are a necessary part of the diet of

most consumers. – B. Decomposers convert plant material into a form that

primary consumers can use. – C. Decomposers make resources available to producers

by breaking down waste materials. – D. Decomposers extract energy from sunlight as they

break down plant materials, adding returning energy to the system.

• Why are decomposers an essential part of a healthy ecosystem? – A. Decomposers are a necessary part of the diet of

most consumers. – B. Decomposers convert plant material into a form that

primary consumers can use. – C. Decomposers make resources available to

producers by breaking down waste materials. – D. Decomposers extract energy from sunlight as they

break down plant materials, adding returning energy to the system.

• Which of the following best describes what scientists consider when they study ecology? – A. the interactions of organisms with their

environment – B. the interactions of organisms with weather and

climate – C. the interactions of organisms to reproduce and

produce offspring – D. the interactions of organisms with one another

and the environment

• Which of the following best describes what scientists consider when they study ecology? – A. the interactions of organisms with their

environment – B. the interactions of organisms with weather and

climate – C. the interactions of organisms to reproduce and

produce offspring – D. the interactions of organisms with one another

and the environment

• Which of the following determines where a population can live? – A. whether its needs are met by the biotic factors

in the habitat – B. whether its needs are met by the abiotic factors

in the habitat – C. whether its needs are met by the abiotic and

biotic factors in the habitat – D. whether its needs are met by the other

populations of organisms in the habitat

• Which of the following determines where a population can live? – A. whether its needs are met by the biotic factors

in the habitat – B. whether its needs are met by the abiotic factors

in the habitat – C. whether its needs are met by the abiotic and

biotic factors in the habitat – D. whether its needs are met by the other

populations of organisms in the habitat

• Which of the following is a biotic factor in an ecosystem?

• A. wind• B. tree leaves• C. small rocks• D. light from the sun

• Which of the following is a biotic factor in an ecosystem?

• A. wind• B. tree leaves• C. small rocks• D. light from the sun

• Which of these statements describes a species?• A. A species is a group of organisms that are

closely related.• B. A species is a group of organisms that live in

the same habitat.• C. A species is a group of organisms that live in

an area and interact.• D. A species is a group of organisms that are

closely related and produce fertile offspring.

• Which of these statements describes a species?• A. A species is a group of organisms that are

closely related.• B. A species is a group of organisms that live in

the same habitat.• C. A species is a group of organisms that live in

an area and interact.• D. A species is a group of organisms that are

closely related and produce fertile offspring.

• The water cycle includes• A. photosynthesis, respiration, and

releasing oxygen• B. evaporation, transpiration,

condensation, precipitation• C. nitrogen, photosynthesis, oxygen,

respiration• D. evaporation, transpiration, respiration,

photosynthesis

• The water cycle includes• A. photosynthesis, respiration, and

releasing oxygen• B. evaporation, transpiration,

condensation, precipitation• C. nitrogen, photosynthesis, oxygen,

respiration• D. evaporation, transpiration, respiration,

photosynthesis

• What is the difference between a food chain and a food web?

• What is the difference between a food chain and a food web?

• A food chain includes only one line of social order; a food web includes several lines of social order.

What are the two types of water biomes?

• What are the two types of water biomes?• • a. Freshwater• • b. Saltwater

• How does the environment determine where an organism can survive?

• Explain your answer.

• How does the environment determine where an organism can survive?

• Explain your answer.

• An organism lives where it does because it can survive under the conditions in that environment.