What is an ecosystem?
What are land biomes?
What are water ecosystems?
What cycles occur in ecosystems?
How do organisms interact? How does energy move in ecosystems?
100

Nonliving parts of the ecosystem.

What is water, soil, temperature, and sunlight?

100

Biome that is home to more than any other species.

What is the tropical rainforest?

100

Creatures that live in the deep ocean need to adapt to an environmental factor.


What is high pressure?

100

Break down waste and dead organisms.

What are decomposers?

100

Diagram that shows the amounts of energy that flow through each level of a food chain.

What is an energy pyramid?

200
The bird population will decrease if pesticides are spread to control the number of _________.

What are insects?

200

biome that has plants with large root system and close to the surface.

What is desert?

200

Partly covered with water or is flooded at least part of the year.

What is a wetland?

200

Decomposers break down remains of dead organisms they make __________.

What are nitrogen compounds?

200

Eat animals to obtain energy.

What are carnivores?

300

Group of organisms of one species that live in an area at the same time.

What is population?

300

Have thick fur to help them survive in the taiga biome.

What are elk?

300

Grow well in water that does not have many nutrients.

What are coral reefs?

300

Volcanoes power out more than just lava and ash.

What is carbon dioxide?

300

Eat both plants and animals

What are omnivores?

400
Role that an organism has in an ecosystem.

What is a niche?

400

Plants living in the same area will compete for water. Plant that has the greatest chance of survival is ______________.

What is a plant with the largest root system?

400

Algae help the corals make ______________.

What is a hard outside coating?

400

Much of the oxygen in the atmosphere does not come from plants, it comes from _________.

What is plankton in the oceans?

400

Cannot make their own food.

What are consumers?

500

Name of trees that grow well in a temperate rainforest because it is wet, cool climate.

What are maple and spruce trees?

500

Main biome found in Europe and the eastern half of the United States.

What are deciduous forest biomes?

500

Largest river ecosystem in North America.

What is the Mississippi River?

500

When forming a lichen, these need each other to survive.

What is fungus and bacteria?

500

On an energy pyramid with plants, rabbits, snakes, and owls, the greatest amount of energy is located here.

What are plants? (bottom of pyramid)