Environmental Systems Semester 1 Review

What kind of disaster helps a forest by clearing away deadwood and creating new growth?

Which organism is likely to be in the bottom trophic level of a food chain?

A gymnosperm is a(n)

The energy in most ecosystems comes from

Which of the following statements is not correct?

Which of the following organisms has the highest reproductive potential?

The organisms most likely to belong to the same species are

Which of the following describes soil and temperature in an ecosystem?

Reduction in sea otter population affected the Pacific coast ecosystem by

Where do most Americans live?

Which of the following include organisms that can use energy from the sun to make food?

What are wind and water erosion not likely to affect?

What groups of organisms are most in danger of extinction?

Which of the following is not a biotic factor in an ecosystem?

The current rate of species extinction is 

Which of the following is an example of secondary succession?

According to biologists, what percentage of species have/will become extinct between 1900-2100?

The term "biodiversity" refers to

The difference between a predator and a parasite is that a predator

In which of the following relationships is neither species harmed?

Which of the following situations best describes the use of a renewable resource?

Competition for food cannot occur

What term is used to refer to the many feeding relationships that are possible in an ecosystem?

Plants play a crucial role in the carbon cycle because they

Which of the following characteristics is usually shared by bacteria, fungi, and plants?

How did the Himalaya Mountains form?

The level of biodiversity that involves a variety of habitats and communities is

Ocean water ______________ than fresh water.

The community of a pond is made up of all the

Which of the following is not an ecosystem?

Which of the following describes the depletion of a renewable resource?

Which of the following includes all of the water on or near Earth's surface?

An endangered species is

Where is most of the fresh water on earth located?

An organism is resistant to a chemical if it

Which of the following is the most geologically active region on the surface of Earth?

Currents at the surface of the ocean are driven by

How much energy is passed on from one organism to another in a food chain/web?

Which of the following describes a population?

How many species are estimated to be living on earth?

Consumers are organisms that

For evolution to occur in a population, individuals with the trait that is "selected for" must

Some organisms are more likely to survive because they

Organisms can adapt

How do humans affect the balance of carbon in the atmosphere?

Most land animals depend on angiosperms for

Which is successful because it moves quickly, reproduces rapidly, and has an exoskeleton?

Which kind of organism obtains energy only from producers?

A true statement about parasitism is that parasites

In what part of the world are the greatest number of extinctions occurring?

The density of a population is

The process of two species changing genetically in response to long-term interactions is

All of these fields of study contribute to environmental science except

Which of the following is not a true statement about cellular respiration?

Which of the following plants is likely to be a pioneer species?

Surface currents circulate in different directions, depending on the _____ in which they occur.

Eliminating invasive plants and replacing them with native plants is one aspect of

Which of the following are photosynthetic organisms?

What part of Earth encompasses all areas where organisms can obtain the energy they need?

Which of the following are producers of oxygen?