Env Science Mid Term Study Guide 1`

Living or once living parts of an ecosystem

Consumers that eat only producers

Collection and classification of data in the form of numbers

All organisms in an area together with their natural environment

One individual living thing

Gets food by breaking down dead organisms

The place an organism lives

Undesired change in air, water, or soil, effects humans

layer of rock that stores groundwater

The chance that something will happen

Information gathered from using our senses

Testable idea that leads to a scientific investigation

all the water on or near the Earth’s surface.

Procedure designed to test a hypothesis

Information that scientist gather during an experiment

Humans needs are met and populations survive indefinitely

thin layer of life surrounding the Earth.

Shows many feeding relationships in an ecosystem

process in which gasses trap heat near the Earth’s surface.

Plant uses sunlight to make sugar and oxygen

Guess as to what will happen if the hypothesis is correct

Consumers that eat both producers and consumers

Two organisms evolve in response to each other

Inherited trait that increases an organisms chance of survival

Organism that makes its own food

The survival and reproduction of organisms with specific traits

mixture of gasses that surrounds the Earth.

Consumers that eat only consumers

Study of the impact of humans on the environment

Animals with backbones

Change in characteristics of a population from one generation to another

Organisms that get energy from eating other organisms

solid part of the earth, consist of all soil and rock.

Sequence which energy is transferred from one organism to the next

Process of breaking down food to yield energy

Ability of organisms to tolerate chemicals designed to kill them

Number and variety of species in an area

Vibrations of Earth’s crust caused by slippage along a fault.

Study of how living things interact with each other

Animals without a backbone

Group of individuals or events used to represent a population

individual sections of the lithosphere.

layer in the stratosphere that absorbs Sun’s U

Selective breeding of organisms by humans for specific characteristics

mountain built from magma that rises to the Earth’s surface.

Group in an experiment that doesn’t receive the variable

Traits passes from parents to offspring

Group in an experiment that does receive the variable

The non-living parts of an ecosystem

Group of organisms that can mate and reproduce fertile offspring