Atmosphere
Earth Systems
Biosphere
Energy in an Ecosystem
Super Hard
100

A spherical layer of gases that surrounds the Earth's surface

What is the atmosphere?

100

Includes water below, on, and above Earth's surface

What is the hydrosphere?

100

Self-feeders who make their own food

What are producers?

100

Humans are a part of this trophic level

What is the fifth level?

100

The main driver of nutrient cycling

What is the Sun?
200

Where the ozone layer is

What is the stratosphere?

200

Includes the Earth's crust, mantle, and core

What is the geosphere?

200

The process in which producers make their own food

What is photosynthesis?

200

Process that absorbs oxygen and releases carbon dioxide

What is respiration?

200

Herbivores are found in this trophic level

What is the second level?

300

Atmospheric gases that absorb and release heat that warms the lower atmosphere.

What are greenhouse gases?

300

Includes all living organisms on Earth

What is the biosphere?

300

Includes living components in an ecosystem

What are biotic components?
300

The dry weight of all organic matter contained in an organism.

What is biomass?

300

3 primary paths of energy flow in an ecosystem

What is photosynthesis, feeding, and decomposition?

400

The layer of the atmosphere where humans live and where weather occurs

What is the troposphere?

400

The 4 systems of Earth

What is the atmosphere, hydrosphere, geosphere, and biosphere?

400

Includes nonliving components of an ecosystem

What are abiotic components?

400

2 most important consumers in nutrient cycling

What are decomposers and detritivores?

400

This organism produces most of the Earth's oxygen through photosynthesis

What are phytoplankton?

500

Most abundant gas in Earth's atmosphere

What is nitrogen?

500

Protects humans from harmful sun rays

What is the atmosphere?

500

The opposite of photosynthesis

What is respiration?

500

Biomass production is measured by this

What is gross primary production (GPP)?

500

The reason why there are more ants in the world than top predators

What is the loss of energy?