Living Things and Ecosystems

A population's _________ is the number of deaths per year.

• Death Rate

• Carrying Capacity

• Birth Rate

• Ecosystem

Which one of these organisms would be classified as a tertiary consumer?

• mouse

• frog

• hawk

• sun flower

Part of the equation for photosynthesis is shown. A substance cycled throughout an ecosystem and released during cellular respiration is missing. What substance belongs in place of the question mark?

• Carbon

• Carbon dioxide

• Nitrogen dioxide

• Hydrogen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the energy pyramid here, which organisms have the MOST energy available to them?

• Producers

• Carnivores

• Herbivores

• Top Predator

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organism has the LEAST amount of energy available to it from the producer in this diagram?

• Owl

• Grasshopper

• Lilypad

• Mouse

Tags

NGSS.MS-LS2-3

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

• A

• B

• C

• D

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which trophic level contains the LARGEST group of organisms found in any ecosystem?

• Primary Consumer

• Producers

• Decomposers

• Secondary Consumers

Tags

NGSS.MS-LS2-3

Most producers get energy from the Sun using the process of

• cellular respiration

• chemosynthesis

• photosynthesis

• consumption

Tags

NGSS.MS-LS1-6

What are the products of photosynthesis?

• Carbon dioxide and water

• Carbon dioxide and oxygen

• Glucose and oxygen

• Glucose and water

Which type of organism(s) perform cellular respiration?

• all living things

• plants only

• animals only

• animals, fungi, bacteria and protists

Tags

NGSS.MS-LS2-3