Ecosystem Basics
Food Chains & Webs
Energy Transfer
Succession & Symbiosis
Anything Else
100

A single living thing in an ecosystem, such as one chimpanzee, is called this.

What is an organism?

100

In the food chain below, it is this who is at the top.

What is the owl?

100

All life is based on these types of organisms. 

What are producers?

100

The two main processes that are the driving forces behind the carbon cycle.

What is photosynthesis and cellular respiration?

100

An organism that eats only meat is called this. 

What is carnivore?

200
A herd of cows, OR a flock of birds, OR a school of tuna fish, are called this.

What is a population?

200

In this food chain, the chameleon would be considered a ______ consumer.

What is secondary?

200

Only this percentage of energy gets transferred from one level to the next in a food web. 

What is 10%?

200

The reestablishment of a damaged ecosystem in an area where the soil is intact

What is secondary succession?

200

Organisms help convert gaseous nitrogen into ammonia in the nitrogen cycle.

What is bacteria?

300

Clownfish and coral together make up this.

What is a community?

300

In this food web, the elephant would be considered a __________ consumer.

What is primary?

300

A food ______ is more stable than a ______. 

What are web and chain?

300

The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, these life forms will help create the soil by breaking down bare rock. 

What are lichens or pioneer species?

300

An organism that eats dead material, such as a vulture, is called this. 

What is a detritivore?

400

The climate, the type of terrain, and the amount of water, oxygen, and carbon dioxide are all this type of factor in an ecosystem.

What is abiotic?

400

In the food web below, these are the direct food sources for the snake.


What are the shrew and the frog?

400

The main source of energy for all living things on earth is this.

What is the sun?

400

A relationship between two species in a community.

What is symbiosis?

400

The Venus flytrap has leaf blades with hinges in the middle. When an insect touches tiny hairs on the leaf, the leaf snaps shut, trapping the animal inside. Gradually, the leaf secretes enzymes that digest the animal and release its nutrients into the plant.

What is predation?

500

An area that contains living and non-living things, and all their interactions between them, is known as this.

What is an ecosystem?

500

In some sense, these can be considered the top of the food chain, since they eat EVERYTHING!

What are decomposers?

500

A remora is a fish that has an adhesive disk on the back of its head that it uses to attach itself to as large shark. When food floats away from the shark’s mouth as it feeds, the remora collects the scraps. This is a type of a symbiotic relationship. 


What is commensalism?

500

The Hawaiian islands were created from volcanic rocks. 

What is primary succession?

500

The cycle that would be most affected to the greatest extent by the destruction of the Earth’s huge rainforests?

What is the carbon cycle?