Earth
Contains all of Earth's water.
Hydrosphere
Group of organisms of the same species in a specific area.
Population
Consumes both plants and animals.
Omnivore
Organisms that recycle nutrients back into the environment.
Decomposers
The main source of energy for most ecosystems
The Sun
Layer of the atmosphere protects the Earth from harmful ultraviolet (UV) rays.
Stratosphere
This biome has the highest biodiversity and receives the most rainfall.
Tropical Rainforest
Different species interacting in a shared environment.
Community
A non-living component of an ecosystem, such as sunlight or water.
Abiotic
In a food chain, what organism is always the first trophic level?
Producer
Type of plate boundary occurs when two plates move toward each other.
Convergent boundary
The main factor that determine a biome's characteristics.
Climate
One species is harmed while the other remains unaffected.
Amensalism
A permanent frozen soil that is home to polar bears.
Permafrost
What percentage of energy is typically transferred from one trophic level to the next in an ecosystem?
10%
Second most abundant gas in the atmosphere.
Oxygen
The term used to describe all living organisms in an area interacting with their environment.
Ecosystem
The type of ecological interaction where one species benefits, and the other is neither helped nor harmed.
Commensalism
Largest cool desert on Earth which covers 14.2 million square kilometers (5.5 million square miles).
Antarctica
The process by which plants create food using sunlight.
Photosynthesis
Correct order of the layers of the Earth from the surface to the center.
Crust, Mantle, Outer Core and Inner Core
Two lions fighting over food are exhibiting what type of competition.
Intraspecific Competition
The ability of an organism to survive and reproduce in its environment is called:
Adaptation
This desert animal has specialized pits to detect the body heat of prey, useful in finding food in the desert. (complete name)
Sidewinder Rattlesnake
In an energy pyramid, what level has the least amount of energy available?
Quaternary Consumer/Apex Predator