Ecosystems Test Review

Organisms interact in the flow of energy in an ecosystem. Carnivores and omnivores are classified as consumers. Which two organisms are also classified as consumers?

• bacteria and fungi

• fungi and scavengers

• parasites and herbivores

• decomposers and herbivores

Tags

NGSS.MS-LS2-2

Students added the following organisms to the links in a chain during a lesson on food chains.

What happens to energy as it moves from one link to the next in the food chain?

• The energy is cycled between organic and inorganic states within the food chain.

• Energy is created and causes the food chain to have more links.

• Energy is destroyed as it moves across the links of the food chain.

• The energy is transferred between organisms within the food chain.

Tags

NGSS.MS-LS2-3

The diagram shows components of a natural wetland habitat.

Which process is BEST demonstrated by this diagram?

• abiotic interactions

• nitrogen fixation

• energy flow

• life cycles

Tags

NGSS.MS-LS2-3

A simple food web is shown below.

Which two organisms are classified as secondary consumers?

• Organisms 1 and 2

• Organisms 2 and 3

• Organisms 3 and 4

• Organisms 1 and 4

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

An ecosystem is described below.

Which row contains abiotic factors?

• 1

• 2

• 3

• 4

How do producers get energy?

• by eating animals

• by eating plants and seeds

• by using sunlight to make food

• by breaking down other organisms

Tags

NGSS.MS-LS1-6

Photosynthesis and respiration are both parts of which cycle?

• Carbon Cycle

• Nitrogen Cycle

• Rock Cycle

• Phosphorus Cycle

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Plants do not usually need to eat other organisms because plants

• do not need food energy to live.

• turn sunlight into food energy.

• get all their food energy from soil.

• keep food energy stored in their roots.

Tags

NGSS.MS-LS1-6

Which diagram correctly shows the flow of energy in a food chain?

• Decomposer → Consumer → Producer

• Producer → Consumer → Decomposer

• Consumer → Producer → Decomposer

• Producer → Decomposer → Consumer

Tags

NGSS.MS-LS2-3

What are the products of photosynthesis?

• Glucose & Oxygen

• Carbon Dioxide & Water

• Chlorophyll & Glucose

• Carbon Dioxide & Oxygen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6