Biology Final

Animals get the most of the nitrogen they need

• by consuming plants and other animals

• by breathing in atmospheric nitrogen

• directly from bacteria in the soil

• from the process of denitrification

A model of the complex feeding interactions among organisms in a community from producers to decomposers is called a

• food web

• ecosystem

• food chain

• population

Tags

NGSS.MS-LS2-3

How do most primary producers make their own food?

• by using light & energy to ake carbohydrates

• using chemical energy to make carbohydrates

• by changing water into carbon dioxide

• by breaking down remains to make carbon dioxide

Tags

NGSS.MS-LS1-6

What animals eat both producers & consumers?

• Herbivores

• Omnivores

• Chemotrophs

• Autotrophs

Tags

NGSS.MS-LS2-2

Which of the following organisms does NOT require sunlight?

• chemosynthetic bacteria

• algae

• trees

• photosynthetic bacteria

Plants are

• primary producers

• primary consumers

• herbivores

• omnivores

Tags

NGSS.MS-LS2-3

Nitrogen fixation is carried out primarily by

• humans

• plants

• bacteria

• consumers

Tags

NGSS.MS-LS2-1

What is the term for each step in the transfer of energy and matter within a food web?

• energy path

• food chain

• trophic level

• food pyramid

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The branch of biology dealing with interactions among organisms and between organisms and their environment is called

• economy

• modeling

• recycling

• ecology

Tags

NGSS.MS-LS2-2

Animals that get energy by eating the carcasses of other animals that have been killed by predators or have died of natural causes are called

• scavengers

• omnivores

• heterotrophs

• detritivores

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3