Earth Systems
Producers and Consumers
Food Chains
Cycles of Matter
Random
100

What consists of the Earth's core, mantle, and thin outer crust?

Geosphere


100

What makes the food they need from compounds in soil, carbon dioxide, in air and water- using the energy from sunlight?

Producers

100

What animal is the predator of the frog

Snake?

100

What can the water cycle also be called?

Hydrologic cycle

100

____________ is the branch of biology that focuses on how organisms interact with one another and their physical environment.

Ecology

200

What is the envelope of gases that surrounds the planet?

Atmosphere
200

What is another name for organisms that cannot produce their own food, known as consumers?

Heterotrophs

200

What is the difference between a food chain and a food web?

  • A food web is the combination of all the food chains in an ecosystem
  • The food chain is smaller
  • The food chain shows less relationships in an ecosystem
200

Define a cycle

Continuously repeating event or process

200

Nitrogen makes up _________ of the atmosphere?

78%

300

What is the layer in which weather occurs?

Troposphere


300

Primary consumers, organisms that eat mostly green plants or algae, can also be called:

Herbivores

300

Grass --> Mouse --> Snake --> Hawk

Who is the primary consumer?

Mouse

300

When water hits land and is soaked into the ground, the water becomes ___________

Groundwater


300

What is an example of a biotic component?

Plants

400

What layer includes all of the gaseous, liquid, and solid water on or near the Earth's surface?

Hydrosphere

400

_____________ are organisms that get their nutrients by breaking down nonliving organic matter such as leaf litter, fallen trees, and dead animals

Decomposers


400

Grass --> Mouse --> Snake --> Hawk

Who is the top consumer?

Hawk

400

List 3 sources of carbon

CO2, fossil fuel, dead organic matter

400

What are the 5 cycles of matter?

Water, Oxygen, Carbon, Nitrogen, Phosphorus

500

What are the percentages of nitrogen, oxygen, argon, carbon dioxide, and other gases in the atmosphere?

Nitrogen: 78%

Oxygen: 21%

Argon: 0.9%

Carbon dioxide: 0.04% 

Other gases: 0.06%

500
Name an example of an omnivore

Pigs, rats, humans

500

What does the duck consume?

Earthworm

500

What are the 3 areas where phosphorus can be found?

Water, soil, rocks

500

What organism plays the most important role in the nitrogen cycle?

Bacteria