Relationships in Ecosystems

Front

What do the arrows in food chains and food webs represent?

Back

The arrows point in the direction the energy flows.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

True or False: The population size of predators are equal to the population size of prey.

Back

False

Tags

NGSS.MS-LS2-4

Front

Any relationship in which two different species use each other to live is called _________________

Back

Symbiosis.

Front

In a food web, which animals are in competition?

Back

Antelopes and squirrels.

Tags

NGSS.MS-LS2-2

Front

An organism that must consume other organisms for nutrients is called a _____________.

Back

Consumer.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Front

What is the role of producers in an ecosystem?

Back

Producers create their own food through photosynthesis and provide energy for consumers.

Tags

NGSS.MS-LS1-6

Front

Define predation.

Back

Predation is a relationship where one organism (the predator) hunts and eats another organism (the prey).

Tags

NGSS.MS-LS2-2

Front

What is competition in an ecosystem?

Back

Competition occurs when two or more species compete for the same resources, such as food, water, or space.

Front

What is a decomposer?

Back

Decomposers break down dead organic material and recycle nutrients back into the ecosystem.

Tags

NGSS.MS-LS2-3

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms where each is eaten by the next, while a food web is a complex network of interconnected food chains.