Ecology Basics
Biotic and Abiotic
Energy in Ecosystems
Food Chains and Food Webs
Random Questions
100
The study of interactions among living and nonliving organisms.
What is Ecology?
100
Living factors within an environment
What is biotic factors?
100

A collective term for herbivore, omnivore, and carnivore.

What is consumer or heterotroph?

100
An organism that eats only producers.
What is an herbivore?
100
Portion of the Earth where living things exist

What is the Biosphere?

200

Total mass of all living and previously living things

What is Biomass?

200
The assortment and variety of different living things in an ecosystem.
What is Biodiversity?
200

A plant is an example of this.

What is a producer or autotroph?

200
Organisms that can eat both producers and consumers.
What is an omnivore?
200
The main reservoir in the water cycle.
What is the ocean?
300
A group of different species that lives together in one area, such as groups of alligators, turtles, birds, fish and plants that live together in the Florida Everglades.
What is Community?
300
The soil, air, and water within an ecosystem
What is abiotic factors?
300

A relationship where one organism benefits, but the other is neither helped nor harmed.

What is commensalism?

300

The result of removing top predators from an ecosystem?

What is a trophic cascade?

300

The role or position that an organism has in its environment.

What is a niche?

400

Large group of ecosystems that share the same climate and have similar types of communities?

What is a Biome?

400

An abiotic or biotic factor that restricts the numbers, reproduction, or distribution of organisms. 

What is a limiting factor?

400

All energy starts at what source?

What is the sun?

400

Organisms that eat dead matter by breaking it down with enzymes (bacteria/fungus)

What is a decomposer?

400

Name the two main types of ecosystems

aquatic (water) and terrestrial (land)

500
The five levels of organization in order from smallest to largest are...
What is organism, population, community, ecosystem, biome?
500
A species that has an unusually large effect on its ecosystem.
What is a keystone species?
500

A relationship where one organism benefits, but the other is harmed

What is the parasitism?

500
The level of nourishment available in the food chain.
What is a trophic level?
500

The area in the range of tolerance where the greatest number of organisms exist.

What is the optimal range?
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