Biology: Test: Ecology, Pollution, and Energy

Carbon monoxide is a pollutant.

True

Everything living depends on something else for its life.

True

Good management is necessary for maintaining a healthful environment for all life.

True

Habitats vary because environmental factors vary.

True

Increased recycling is a recommended partial solution to some forms of pollution.

True

Natural catastrophes can be a large source of pollution.

True

Nothing is free in nature; what is removed must be replaced.

True

Organisms with similar requirements usually compete for environmental factors.

True

Smog may involve a variety of pollutants.

True

Unnatural occurrences can have the most significant impact on an ecosystem.

True

Energy moves through the plants and animals in an ecosystem by way of _____.

a food chain

Most "disposable" products are _____.

a source of long-term pollution

Which statements reflect dynamic equilibrium of an ecosystem?

any change on either side will require a compensation on the other side number of existing organisms will reflect changing factors

A life zone is called a(n)...

biome

An animal that eats the flesh of other animals is said to be a(n)...

carnivore

The biome with many thorny bushes and dense thickets is called the...

chaparral

The place where an organism lives is referred to as its...

habitat

Plants and animals live in certain environments because:

it supplies them food it supplies them with proper environmental factors

The most important, food-producing plants of the ocean are:

phytoplankton

Reducing individual purchases of disposable products would be a form of:

prevention of pollution

In a forest ecosystem, a robin and a squirrel live in the same tree. The two organisms _____.

share the same habitat

Which statement represents the correct association of organisms and their habitat?

some plants and animals are restricted to a particular habitat while others may occupy a variety of habitats.

Environmental factors may be studied using...

space satellites

Sort the steps of the ecosystem in the correct order for a cycle.

sun soil, water green plants plant eaters flesh eaters decomposers

The largest ecosystem on the earth comprises:

the biosphere

How do phytoplankton affect the ecosystem of the entire earth?

through the oxygen cycle

As an example, the tundra is a biome which has a habitat which includes:

treeless arctic plains, foxes, wolves, mice, and weasels.

Biomes are usually named from:

variety of flora

A bird that is an endangered species is:

whooping crane

Which of the following statements is true?

All the populations in the ecosystem form the community.

A quadrat may be long and narrow.

False

Disposable products are a good solution to the problems of pollution.

False

Disposable products are a pollution problem.

False

Every time people do something to the environment, reactions usually happen as predicted.

False

Extinction of organisms is a relatively recent phenomenon attributed primarily to man.

False

Introducing additional organisms of the same existing kinds will not upset the ecosystem.

False

Nature is not balanced as long as a state of dynamic equilibrium exists.

False

Only people upset the balance of nature.

False

Pollution caused by petroleum products is essentially limited to major oil spills.

False

Pollution is a problem for governments and industry only.

False

Pollution problems began in this century.

False

Technology has provided methods to recycle all products.

False

The process of decomposition releases oxygen and hydrogen.

False

...is the renewing of a resource to be used again as a raw material.

Recycling

All forms of life on earth are linked together in some type of food relationship.

True

The term "smog" may involve a variety of pollutants.

True

The ultimate source of energy for physical life on earth is the sun.

True

The green chemical in plants that traps light energy from the sun is:

chlorophyll

Two factors which can produce biomes are:

elevation and latitude

The state that is ultimately reached which results in balance is called...

equilibrium

The koala and the...tree are an example of an interrelationship that is so close, the life of the koala depends on it.

eucalyptus

All of the kinds of animals that once lived on the earth, but do not live here any more, are referred to as...

extinct

Each of these items are biomes except :

fallen log

The diversity of plants and animals on Earth is supported by the numerous kinds of...available.

habitats

An animal that eats plants is said to be a(n)...

herbivore

A habitat that has lots of light and water, a high elevation, low temperature, and a low level of oxygen is most likely a _____ habitat.

high mountain

The word ecology is made up of two Greek words, oikos and logia, and means "_____."

house knowledge

The satellite system called ERTS-1, used by scientists to study the ecology of the Earth, makes use of images taken with...wavelengths.

infrared

Common needs, mutual benefit, and interactions are all examples of...

interdependence

Nearly all of the solid waste produced by agriculture:

is biodegradable

The basic materials needed for life originate from the... environment.

nonliving