Quiz about Community Ecology

Question 1

A human & a Tape Worm: The tape worm gets a place to live in the intestines of the human and food from the human. The human loses weight and nutrients from the tape worm.

Accepted Answer

Parasitism

Answer

Mutualism

Answer

Commensalism

Question 2

Bird & Tree: A bird builds a nest in a hole in the trunk of the tree. It is protected from the rain and predators. The tree is not harmed or helped by the bird.

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Question 3

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

Accepted Answer

mutualism

Answer

commensalism

Answer

parasitism

Answer

predation

Question 4

What is the name of an animal that is hunted and eaten by other animals?

Accepted Answer

prey

Answer

producer

Answer

predator

Answer

decomposer

Question 5

Groups of different populations that live in a given area and interact are called a(n)...

Accepted Answer

Community

Answer

Colony

Answer

Population

Answer

Ecosystem

Question 6

Food webs are models that show

Accepted Answer

complex networks of feeding relationships.

Answer

one sequence of producers and consumers.

Answer

stored energy in food chains

Answer

only primary consumers in an ecosystem

Question 7

Primary succession is...

Accepted Answer

When increasing temperature causes a glacier to recede from an area of rocky ground

Answer

When a hurricane causes a river to flood its banks

Answer

When a farmer ploughs his fields to remove all existing plant life.

Answer

When fire burns through a forest and ills all vegetation less than 1m tall.

Question 8

The secondary succession is

Accepted Answer

plants grow in an area devastated by a flood

Answer

lichens and mosses arrive on bare rock and begin to trap soil

Answer

a complex, stable ecosystem is formed

Answer

plants grow in a newly formed pond

Question 9

What effect does biodiversity have on a community?

Accepted Answer

It enables the community to withstand changes.

Answer

It makes destruction by insects impossible.

Answer

It makes primary succession more likely.

Answer

It enables species to survive in a desert.

Question 10

The type of succession that occurs in an area with no life is:

Accepted Answer

Primary

Answer

Intraspecific

Answer

Interspecific

Answer

Secondary

Question 11

The type of succession that occurs after an inhabited area was disturbed:

Accepted Answer

Secondary

Answer

Intraspecific

Answer

Interspecific

Answer

Primary

Question 12

When some species coexist despite apparent competition by having slightly different niches is called:

Accepted Answer

Resource Partitioning

Answer

Ecological Niche

Answer

Batesian Mimicry

Answer

Gause's Principle

Question 13

The ecological role or "way of life," (what it eats, when it eats, behavior, where it lives, etc. is an organisms?

Accepted Answer

niche

Answer

community

Answer

population

Answer

biome

Question 14

What plays a unique, essential role in creating and defining a community?

Accepted Answer

foundation species

Answer

keystone species

Answer

genus species

Question 15

These species contribute to the physical world around where they live. They modify, create and maintain habitats.

Accepted Answer

Ecosystem Engineers

Answer

Flagship Species

Answer

Predators

Answer

Keystone Species

Question 16

What is a keystone species?

Accepted Answer

A species that helps to hold an ecosystem together

Answer

A species that lives in or around rocks

Answer

Keys and stones have nothing to do with ecology

Answer

A keystone isn't a living thing, it's just a stone

Question 17

Acts as a symbol for an environmental habitat, movement, campaign or issue. They can be mascots for entire ecosystems.

Accepted Answer

Flagship Species

Answer

Indicator Species

Answer

Predators

Answer

I like turtles!

Question 18

A life form that is very sensitive to environmental changes in its ecosystem. They can give us early-warning messages that a habitat is suffering.

Accepted Answer

Indicator Species

Answer

Flagship Species

Answer

Predators

Answer

Ecosystem Engineers

Question 19

Two or more species that work like a team

Accepted Answer

Keystone Mutualist

Answer

Predators

Answer

Herbivore

Answer

Keystone Species

Question 20

The ecological niches of three bird species are shown in the diagram. What is the advantage of each bird species having a different niche?

Accepted Answer

There is less competition for food.

Answer

As more birds feed higher in the tree, available energy increases.

Answer

More abiotic resources are available for each bird.

Answer

Predators are less likely to feed on birds in a variety of locations.

Question 21

Based on the graph shown, how can you tell sea otters are a keystone species?

Accepted Answer

as sea otter population increases, biodiversity increases

Answer

as the sea otter population decreases, biodiversity increases

Answer

changes in the sea otter population have little effect on biodiversity

Answer

the sea otter population dereases due to the presence of urchins

Question 22

What does it mean when an animal is endangered?

Accepted Answer

Animals that is at risk of extinction.

Answer

Something once lived but no longer exists.

Answer

Place that protects animals at risk.

Question 23

A species is defined as endangered when it

Accepted Answer

all of the above

Answer

suffers from damage to its habitat.

Answer

suffers from disease or predation.

Answer

when there are hazards to the continued life of the species.

Question 24

Who can help save endangered species?

Accepted Answer

all of the above!

Answer

environmentalist

Answer

you

Answer

scientists

Question 25

The act to prevent extinction, recover imperiled plants and animals, and protect the ecosystems on which they depend upon is called...

Accepted Answer

The Endangered Species Act of 1973

Answer

The Fossil Fuel Burning Act of 2000

Answer

Congressional Bill 78655

Answer

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