Prentice Hall Biology Chapter 3 Review

What is the process by which bacteria convert nitrogen gas in the air to ammonia?

A snake that eats a frog that has eaten an insect that fed on a plant is a

Which of the following organisms does NOT require sunlight to live?

organism that uses energy to produce its own food supply from inorganic compounds is called

If a nutrient is in such short supply in an ecosystem that it affects an animal’s growth, the

Which of the following has a direct role in the nitrogen cycle?

The trophic levels in Figure 3–2 illustrate

The simplest grouping of more than one kind of organism in the biosphere is

Ecological inquiry method that would be used to count the population numbers of a species

The repeated movement of water between Earth’s surface and the atmosphere is called

The movements of energy and nutrients through living systems are different because

What animals eat both producers and consumers?

mathematical formula designed to predict population fluctuations in a community

The algae at the beginning of the food chain in Figure 3–1 are

What is the term for each step in the transfer of energy and matter within a food web?

How is carbon stored in the biosphere?

Which of the following is NOT a basic method used by ecologists to study the living world?

What is an organism that feeds only on plants called?

Biogeochemical cycling ensures that

All of the members of a particular species that live in one area are called a(an)

An organism that cannot make its own food is called a(an)

All the interconnected feeding relationships in an ecosystem make up a food

What can happen after a lake receives a large input of a limiting nutrient?

The lowest level of environmental complexity that includes living and nonliving factors is the

What is the original source of almost all the energy in most ecosystems?

Most of the energy available to a consumer trophic level is used by organisms for

Organisms that obtain nutrients by breaking down dead ,decaying plants and animals are called

The rate at which organic matter is created by producers in an ecosystem is called

Matter can recycle through the biosphere because

Plants are

A bird stalks, kills, and eats an insect. which ecological terms describe the bird?

The total amount of living tissue within a given trophic level is called the

Nitrogen fixation is carried out primarily by

Which of the following is NOT recycled in the biosphere?

branch of biology dealing with interactions among organisms,between organisms,their environment

The combined portions of Earth in which all living things exist is called the

Which of the following descriptions about the organization of an ecosystem is correct?

relationships that form a network of complex interactions among organisms in a community 

Which type of pyramid shows the amount of living tissue at each trophic level in an ecosystem?

Organisms need nutrients in order to

Only 10 percent of the energy is used., some is used life processes, and the rest is