Ecology

The living factors in an organism’s environment

organisms that get energy by consuming other organisms.

Where an organism lives.

A model representing many interconnected food chains and pathways.

Make up the first trophic level.

The exchange of matter through the biosphere is called the

both organisms benefit

Abiotic factors of an environment include

When more than one organism uses a resource at the same time.

Ecologists' studies take place in the

The close relationship that exists when two or more species live together

A species of fish interacting with other organisms would be called

Water that goes through a plant and escapes from it leaves as water vapor is called __________

Eats plants

The nonliving factors in an organism’s environment

The act of pursuing and consuming another organism.

A simple model that shows how energy flows through an ecosystem. (Straight Line)

If a lower level had 2000 units of energy, how much would the level above it store?

a chemical substance that an organism needs to live.

A species of fish, other organisms, and abiotic factors would be called

Which would be the smallest level of organization?

Make up the remaining levels

What kind of organism is responsible for "fixing" nitrogen (converting nitrogen gas into nutrients for plants)?

Which would be an example of an organism?

break down dead organisms by releasing digestive enzymes

There are 1,000 Gigawatts of energy in the producers. How much energy will be transferred to primary consumers?

You should check the climate forecast before you leave your house to see if you need an umbrella.

"Bio" means

Eats meat

The total mass of living matter at each level.

The process in which plants convert CO2 into carbs and release O2?

Eats dead matter

anything that takes up space and has mass.

The study of the relationships & interactions organisms have with their environments

Some of the energy is lost between levels. In what ways is it lost?

Where does the energy to keep the organisms alive originally come from?

Each step in a food chain or web is called a

The law of conservation of mass states

The role or position that an organism has in its environment.

During times of plentiful water, competition for water will _____

Heterotrophs are also known as

An organism that collects energy from sunlight to produce food.

Autotrophs are also known as

A species of fish in same place at same time would be called

one benefits, one is not affected

Which would be the largest level of organization?

One is benefited, the other is harmed.

Which capture energy, making it available for all members of a food web?

Which is NOT an example of a biotic factor?

What percentage of all water on Earth is freshwater?