Intro to Ecology Assessment

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2

Categorize each as biotic or abiotic

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1

Which of the following is the best definition of conservation?

Study of the relationships among organisms and their environments.

Study of elephants

Studying ecosystem dynamics

The act of protecting and restoring the environment.

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1

"all of the plants and animals in Serengeti National Park" is an example of a(n)

community

landscape

population

ecosystem

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2

Categorize each of the following

Deer
Wolf (eats deer)
Bacteria that break down waste
Grass

Producer
Primary consumer
Secondary consumer
Decomposers

The graph below shows changes in a population of wild sheep that were introduced to the island of Tasmania in the early 1800's.

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1

In 1810, there 0 sheep in Tasmania. In 1850, there were 2,200,000 sheep. Calculate the average growth rate over that period.

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1

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1

The population fell from 2,200,000 sheep down to 1,500,000 sheep between 1850 and 1860. Calculate the growth rate during that period (sheep/year)

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1

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1

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1

Who produces all of the energy for the entire ecosystem using energy from the sun?

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1

In a given ecosystem, how does the biomass of the primary consumers compare to the biomass of the producers?

The biomass of the primary consumers is about 100 times the biomass of the producers.

The biomass of the primary consumers is about 10 times the biomass of the producers.

The biomass of the primary consumers is about the same as the biomass of the producers.

The biomass of the primary consumers is about 1/10th the biomass of the producers.

The biomass of the primary consumers is about 1/100th the biomass of the producers.

1

____________________is the first species to inhabit barren area.

climax species

endangered species

threatened species

pioneer species

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1

What is the most common criterion used to determine if two individuals belong to the same species?

If they live in the same area, then they are the same species.

If they look alike, then they are the same species.

If they can have babies, then they are the same species.

It's just obvious.

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1

Why is having high biodiversity beneficial for a community? (2 answers)

It increases the energy available

It decreases predation

It makes the community more resistant to disturbance

It contributes to community stability

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1

What are first species to come back in a community after a disturbance?

maverick species

keystone species

interspecific species

pioneer species

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1

When referring to competition, what does the "(-/-)" mean?

Both species are harmed by the other's presence

Both species go extinct

The species do not like each other

The predator and the prey are harmed (-)

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1

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1

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1

What is population ecology?

The study of a single species in an area.

The study of all of the species in an area.

The study of the interactions between species and their environments.

The study of the entire biosphere

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1

Which are the three measurable population features?

Demographics

Devolution

Density

Dispersion

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1

Which of the measurable population features has units of "population per unit area"?

Density

Demographics

Devolution

Dispersion

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1

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3

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1

Categorize the two limiting factors below.

Habitat area
Predation

Top-down regulation
Bottom-up regulation

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2

Categorize the limiting factors.

nesting sites
volcanic eruption
toxic chemical in the water
food availability

Density dependent limiting factor
Density independent limiting factor

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1

Which part of the Serengeti is the wildebeests' breeding ground?

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1

Which part of the Serengeti do wildebeests go to during the dry season?

Obavezno

3

Label the important events in the history of the Serengeti wildebeest population.

Drugi mogući odgovor:

Massive die-off due to poaching

Rinderpest first brought in

wildebeests are first brought in

Large drought ever

Lions first introduced

Vaccination program

Obavezno

2

What was the main limiting factor that was regulating the wildebeest population in the two regions shown?

Drugi mogući odgovor:

Poaching

Dry season food availability

Lion predation

Disease outbreaks

Civil war among the Masai

Invasive grass species

Amount of sunlight

Widespread storms

Competition with zebras

Wet season food availability

Habitat loss

	Biotic Factors	Abiotic Factors
Disease
Food availability
Mountain terrain
Climate

	Biotic Factors	Abiotic Factors
Disease
Food availability
Mountain terrain
Climate

Intro to Ecology Assessment

Categorize each as biotic or abiotic

Which of the following is the best definition of conservation?

"all of the plants and animals in Serengeti National Park" is an example of a(n)

Categorize each of the following

In 1810, there 0 sheep in Tasmania. In 1850, there were 2,200,000 sheep. Calculate the average growth rate over that period.

The population fell from 2,200,000 sheep down to 1,500,000 sheep between 1850 and 1860. Calculate the growth rate during that period (sheep/year)

Who produces all of the energy for the entire ecosystem using energy from the sun?

In a given ecosystem, how does the biomass of the primary consumers compare to the biomass of the producers?

____________________is the first species to inhabit barren area.

What is the most common criterion used to determine if two individuals belong to the same species?

Why is having high biodiversity beneficial for a community? (2 answers)

What are first species to come back in a community after a disturbance?

When referring to competition, what does the "(-/-)" mean?

What is population ecology?

Which are the three measurable population features?

Which of the measurable population features has units of "population per unit area"?

Categorize the two limiting factors below.

Categorize the limiting factors.

Which part of the Serengeti is the wildebeests' breeding ground?

Which part of the Serengeti do wildebeests go to during the dry season?

Categorize each as biotic or abiotic

Which of the following is the best definition of conservation?

"all of the plants and animals in Serengeti National Park" is an example of a(n)

Categorize each of the following

In 1810, there 0 sheep in Tasmania. In 1850, there were 2,200,000 sheep. Calculate the average growth rate over that period.

How would yo characterize the growth during this period?

The population fell from 2,200,000 sheep down to 1,500,000 sheep between 1850 and 1860. Calculate the growth rate during that period (sheep/year)

What does the dotted line on the graph stand for?

The graph indicates that the sheep population most likely is

Who produces all of the energy for the entire ecosystem using energy from the sun?

In a given ecosystem, how does the biomass of the primary consumers compare to the biomass of the producers?

____________________is the first species to inhabit barren area.

What is the most common criterion used to determine if two individuals belong to the same species?

Why is having high biodiversity beneficial for a community? (2 answers)

What are first species to come back in a community after a disturbance?

When referring to competition, what does the "(-/-)" mean?

What is population ecology?

Which are the three measurable population features?

Which of the measurable population features has units of "population per unit area"?

Categorize the two limiting factors below.

Categorize the limiting factors.

Which part of the Serengeti is the wildebeests' breeding ground?

Which part of the Serengeti do wildebeests go to during the dry season?

How would yo characterize the growth during this period?

What does the dotted line on the graph stand for?

The graph indicates that the sheep population most likely is