Ecology Organism Population

Decomposers are important in the food web because they

• Produce their own food using light from the sun

• Stop the flow of energy from one organism to another

• Break down dead organisms and recycle nutrients into the soil

• Are microscopic and other organisms eat them

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is the source of energy for the algae?

• Sun

• Rotifers, water fleas, and tadpoles

• Decomposers

• Algae does not need energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Box turtles get their energy from insects, berries, and fruit. Box turtles are...

• Producers

• Herbivores

• Omnivores

• Carnivores

Willow trees get their energy from the sun. Willow trees are...

• Producers

• Consumers

• Decomposers

• Herbivores

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Earthworms break down dead organisms and recycle nutrients into the soil. Earthworms are...

• Producers

• Consumers

• Decomposers

Tags

NGSS.MS-LS2-3

Looking at the graph of the pigeon population, which statement is TRUE?

• The maximum pigeon population was 275

• The largest decrease was between years 4 and 5

• The largest decrease was between years 7 and 8

• The population decreased from years 2 to 3

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following are limiting factors that gannets might experience?

• Nesting space

• Food

• Hurricane

• All of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

An example of competition in the picture would be...

• The clouds and rocks competing for sunlight

• The tree and grass competing for soil nutrients

• The fox and river competing for water

• The fox and grass competing for food

Tags

NGSS.MS-LS2-1

Dingos get their energy from kangaroos, wallabies, birds, and lizards. Dingos are a...

• Producer

• Herbivore

• Omnivore

• Carnivore

___  the branch of science that studies how organisms interact with one another & with their environment.

• ecology

• geology

• astronomy

• chemistry

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3