Duplicate of Chapter 3 & 4 Test Review

What the steps in movement of energy, an organism's feeding status in an ecosystem?

What is an organism that feeds only on plants called?

Movements of energy & nutrients through living systems are different because

Organisms that break down organic matter and return it to the environment are called

Earth has three main climate zones because of the differences in latitude and, thus,

symbiotic relationship between a flower and the insect that feeds on its nectar is an example

Organisms need nutrients in order to

Earth has three main climate zones because of the differences in latitude and, thus,

The unequal heating of Earth’s surface

A group of ecosystems that have the same climate and dominate communities is called a(an):

Climate conditions in small area differ significantly from the climate of the surrounding area

Which of the following occurs during the ecological succession of an ecosystem

The organisms in the ocean with the smallest total biomass are the most likely

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

The algae at the beginning of the food chain are:

No two species can occupy the same niche in the same habitat at the same time

Which is most likely to be a limiting nutrient in a freshwater pond?

which animal would you find in a temperate forest?

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

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

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

Only about 10% of the __?__ in a trophic level is available to organisms at the next level.

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

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

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

The simplest grouping of more than one kind of organism in the biosphere is a(n)

Organisms that obtain nutrients by breaking down dead and decaying plants and animals:

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

Water can enter the atmosphere through the process of evaporation and

Several species of warblers can live in the same spruce tree ONLY because they

An organism using energy to produce its own food supply from inorganic compounds is called a(n)

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

Why does Earth have three main climate zones?

Which is a biotic factor that affects the size of a population in a specific ecosystem?

Green plants are

Scientists classify the nitrogen, carbon, and water cycles as:

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

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

The series of predictable changes that occurs in a community over time is called

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

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

An organism’s niche is

To produce food autotrophs capture energy from sunlight or

The greenhouse effect

The chemical substances that an organism requires to live are called:

Each of the following is an abiotic factor in the environment EXCEPT

Only 10% of the energy stored in an organism can be passed to the next level, the rest is

Carbon cycles through the biosphere in all ofthe following processes EXCEPT:

Branch of biology dealing w/ interactions among organisms & between organisms their environment

Planting eating animals such as cows are called

Nitrogen fixation is carried out primarily by

What animals eat both producers and consumers?

What method do ecologists use when they count the population of certain species?

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

Living organisms require nitrogen to make_?_, which are used to build proteins.