Earth Spheres
Biogeochemical Cycles
Ecosystem Componenets
Energy Flow Through Ecosystems
Sphere Interactions
100

Fossils are physical evidence of organisms that lived long ago. Fossils form when an organisms is quickly buried in sand or mud, and it's remains turn to stone after millions of years. Which of the Earth's spheres are fossils a part of?

What is the biosphere?

100

What powers the water cycle?

What is the sun?
100

The difference between biotic and abiotic is...?

Abiotic = Non-Living

Biotic = Living or Was Living

100

A primary consumer is an organism that eats producers for food. Where would you find a primary consumer on a food web?

Above the primary producers.


or 

Above the bottom.



100

Describe which spheres are interacting in the following example: An iceberg floats on the surface of the ocean.

What is hydrosphere and hydrosphere?

200

70% of the Earth's surface is covered by saltwater, which is roughly 370 quintillion gallons! Our oceans play an important role in regulating Earth's climate. Which of the Earth's spheres is saltwater a part of?

What is the hydrosphere?

200

When water vapor rises into the atmosphere, it cools and forms clouds. This is known as...?

What is condensation?

200

Organisms that obtain energy from biotic sources.

What are consumers?

200

Primary producers are organisms that create food using abiotic resources. Where would you find a primary producer on a food web?

On the bottom of a food web.

200

Describe which spheres are interacting in the following example: A windstorm pulls tons of sand into the air, creating a sandstorm.

What is atmosphere and geosphere?

300
The Earth's core consists mostly of solid iron. This iron spins, generating a magnetic field around our planet. This field has been used for navigation for hundreds of years. Which of the Earth's spheres is the Earth's core a part of?

What is the geosphere?

300

Which two processes drive the carbon cycle? (Hint: They are both done by living things.)

What is photosynthesis and respiration?

300

An organism that eats both producers and consumers.

What is an omnivore?

300

The place an organism occupies on a food web.

What is it's trophic level?

300

Describe which spheres are interacting in the following example: a naked mole rat colony uses their sharp teeth and claws to build large underground burrows.

What is biosphere and geosphere?

400

The ozone layer is a blanket of ozone gas that surrounds the planet. It blocks 99% of the harmful radiation from the sun. Which of the Earth's spheres is the ozone layer a part of?

What is the atmosphere?

400

Respiration uses _______________ and __________________ to create carbon dioxide and water.

What is glucose and oxygen.

400
Organisms that create food using abiotic sources.
What are producers?
400
Tertiary consumers are organisms that feed on both first and second level consumers. They are often top predators in their ecosystems. Where on a food web would you find a tertiary consumer?

On the top of the food web.

400

Describe which spheres are interacting in the following example: Waves crash on a beach, washing away sand from the coastline. 

What is hydrosphere and geosphere?

500
The adult human body contains roughly 206 bones. All of them are built up using calcium. The calcium within your bones comes from the food you eat. Which of the Earth's spheres would your bones be a part of?

What is the biosphere?

500
Fungi and bacteria are necessary to complete the __________________ cycle.

What is the nitrogen cycle?

500

A consumer that uses chemicals to break down organic matter.

What is a decomposer?

500

Secondary consumers are animals that feed on primary consumers. Where on a food web would you find secondary consumers?

Above primary consumers.

500

Describe which spheres are interacting in the following example: A coconut palm grows on a deserted island. It's fruit falls off the tree, and a wave washes the coconut into the ocean. The coconut floats along the surface of the ocean for many months, until it is beached on a new island.

What is biosphere and hydrosphere?

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