Ecology Review

Overpopulation of any species can hurt the environment due to

A biotic or an abiotic resource in the environment that causes population size to decrease is a

All of the following that are examples of abiotic factors EXCEPT

An owl ate a snake, that ate a mouse, that ate some grass. Which organism is the producer?

The sun's energy is converted by plants into chemical energy in the form of 

Which of the following is an example of a biotic factor?

The top consumer in the energy pyramid is a/an-

The reason the energy pyramid is smaller at the top than at the base is

What are all of the living factors in an environment?

Each of the following is a biotic factor in the environment EXCEPT

As resources in a population become less available, population growth-

Which of the following is an example of an abiotic factor?

Carnivores might find which of the following tasty?

If producers were unable to carry out photosynthesis, which atmospheric gas might be increased?

Tree, dog, whale, and a worm are examples of-

Sun, wind, water, soil and a rock are examples of-

What is one cause for a population to increase in size?

The primary consumer in the energy pyramid is a/an-

What trophic (feeding)  level is the grasshopper?

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

Trees, ducks, fish, dragonflies, deer, and flowers are examples of-

In order to insure the survival of our planet, people have a responsibility to 

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

What trophic (feeding) level is the mosquito?

If producers were unable to carry out photosynthesis, which atmospheric gas might be reduced?

Which organizational level of the ecosystem does a herd of cows represent?

All of the chipmunks in an area are called a/an-

If there are too many living things in competition for the same resource, what might happen?

In this food web, where does the herring get its energy from?

Energy enters most ecosystems as 

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

Human activities can bring about positive environmental changes through

Ozone in our upper atmosphere protects us from 

During a period of no rain a predator temporarily leaves its hunting territory. This is due to-

If two organisms struggle to obtain the same type of food their relationship can be said to be

All of the following are limiting factors except-

Which of the following does not correctly describe biotic factors?

The levels of organization are-

A diagram that shows the connections between organisms and their energy sources is called a(n)

Squirrels, sparrows, cottonwood trees, and worms make up a-

Herbivores are animals that eat only -                               

The branch of biology that deals with interactions among organisms and the environment?