Organisms
Water
Earth
The Food Chain
Symbiosis
100

What is a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it?

abiotic factor

100

What elements make up water

  hydrogen and oxygen

100

What is the type of climate zone that receives the most heat?

polar zone, temperate zone, tropical zone

tropical zone

100

What is a living thing that can make its' own food?

producer

100

When both benefit

mutualism

200

What is the process that plants use to make their food and get the energy they need?

photosynthesis

200

What is evaporation  

    the process of turning from liquid into vapor.

200

This is the name of the biome that has dry terrain, is very hot in the summer and very cold in the winter?

a desert

200

An organism that eats other organisms?

carnivore

200

A close relationship between 2 organisms of different species

symbiosis



300

The place where an organisms lives and finds everything it needs in order to survive.

Habitat

300

What percentage of Earth's water is salty water?

97%

300

This is the term used to describe the change in location of landforms, rocks, and sediment, due to wind and water.

erosion

300

The organisms that come first on a food web 

producers

300

a tick on a deer

parasitism

400

Organize the following ecological levels:

population, ecosystem, individual, community, biosphere.

individual, population, community, ecosystem, and biosphere

400

Any form of water that falls from the sky.

precipitation 

400

Arrange in the correct order of size, from greatest to least, for these objects: 

human, Sun, plant cell, Earth, atom, mouse, Milky Way

Milky Way, Sun, Earth, human, mouse, plant cell, atom

400

the name of the organisms that come second on a food web 

primary consumers

400

when two organism fight over the same resource

competition

500

What gases do animals inhale and exhale in respiration?

inhale: oxygen

exhale: carbon dioxide

500

What is the place on Earth where most of the fresh water exists?

In the poles, as solid (ice)

500

What is  climate?

The weather conditions over a long period.

500

What is the amount of energy that gets passed on to the next trophic level?

 10%

500

a barnacle and a whale

commensalism