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
