Earth's spheres
Plants
Ecosystems 1
Ecosystems 2
Biomes
100

This sphere is made up of all of the living things on Earth.

What is the biosphere.

100

This part of the plant absorbs water and nutrients for the plant.

What are the roots.

100

This is the main energy source for all organisms on Earth.

What is the Sun.

100

An animal that only eats plants for energy.

What is an herbivore.

100

A cactus and a rattlesnake call this biome home.

What is a desert.

200

A volcano and and all the rocks and soil on Earth can be found in this sphere.

What is the geosphere.

200

The process by which plants make their own food.

What is photosynthesis.

200

This type of organism makes its own food.

What is a producer.

200

This animal only consumes meat to gain energy.

What is a carnivore.

200

This biome receives the largest amount of yearly precipitation.

What is the tropical rainforest.

300

This sphere protects our Earth from the Sun's light and heat energy.

What is the atmosphere.

300

This plant structure is the food-making factory for the plant.

What are the leaves.

300

This organism must eat other organisms to get energy.

What is a consumer.

300

An animal that eats both plants and meat.

What is an omnivore.

300

This cold biome has a layer of frozen subsoil called permafrost.

What is the tundra.

400

This part of the hydrosphere contains more water than any water feature on Earth.

What is the ocean.

400

This structure supports the plant, and allows water and nutrients to get from the roots to the leaves.

What is the stem.

400

This organism breaks down dead or decaying organisms to be absorbed into the soil.

What is a decomposer.

400

The cycle that describes the exchange of gases between plants and animals.

What is the carbon dioxide-oxygen cycle.

400

Maple and oak trees, as well as squirrels and deer can be found in this biome.

What is the Deciduous forest.

500

The two interacting spheres when lightning strikes a tree.

What are the atmoshphere and the biosphere.

500

The part of the plant that absorbs COand gives the leaves their green color.

What are chloroplasts.

500

A network of overlapping food chains in an ecosystem.

What is a food web.

500

The word used to describe all of the living or once-living organisms in an ecosystem.

What is biotic.

500

All of the nonliving things in a biome, such as rocks, soil, sunlight, and water are known as this.

What is abiotic.