3 Ecosystems Ohio State Test Release

2. Hummingbirds feed on the nectar of flowering plants. In this process, they also pollinate the plants. Which symbiotic relationship does this represent?

• predation
• mutualism
• parasitim
• commensalism

Tags

NGSS.MS-LS2-2

3. Read question 3 and then see which option below is correct. *There are actually two correct ways of answering but there is only one correct answer provided in the options below.

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Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

4. Read question 4 and then select the option below that correctly answers the question.

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Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

11. A student has to give a presentation on mutualism. In doing research for his presentation, he takes notes on the relationships shown. Which relationship, of the three shown, should the student use in his presentation as an example of mutualism?

• A
• B
• C

13. The table shows the foods eaten by animals in a meadow ecosystem. Drag the animal names into the blank boxes to create a food web for this ecosystem.

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Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

20. Which statement describes one way that bees interact with flowers?

• Flowers make seeds that bees can use for energy.
• Bees produce honey that flowers can use for energy.
• Flowers provide bees with places to hide from predators.
• Bees help flowers reproduce by carrying pollen to other flowers.

Tags

NGSS.MS-LS1-4

30. Students watch a video about bees flying from flower to flower. The flow chart shows the students’ observations from the video. The students claim that the relationship between the bees and flowers is commensalism, based on their observations. Which statement provides a reason that the students’ claim about commensalism is wrong?

• A) The bees benefit and the flowers benefit.
• B) The bees are harmed and the flowers benefit.
• C) The bees benefit and the flowers are unaffected.
• D) The bees are harmed and the flowers are harmed.

33. A student made a list of different organisms found in a woodland ecosystem and their food sources. Which food web shows the flow of energy among the woodland organisms?

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Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

34. Perch are a type of fish that live in Lake Erie. A Lake Erie food chain is shown. Perch use energy to avoid predators. Which statement describes how perch get energy to avoid predators.

• A) The perch are herbivores that get energy from eating photosynthetic organisms.
• B) The perch are consumers that get energy from eating other consumers that eat producers.
• C) The perch are photosynthetic organisms that get energy from the sunlight entering the ecosystem.
• D) The perch are consumers that get energy from eating trout, which are also consumers in the ecosystem.

Tags

NGSS.MS-LS2-3

35. Spider crabs live in shallow coastal waters. Algae grow on top of the crabs’ shells allowing the crabs to blend in with their surroundings. This helps the algae absorb sunlight for energy and avoid being eaten by algae-eating fish. Which statement supports the conclusion that the algae and crabs have a mutualistic relationship?

• A) The algae absorb nutrients from the crabs’ shells.
• B) The algae help the crabs to hide from predators.
• C) Crabs produce a poison in their shells that harms algae.
• D) Crabs covered in algae have shorter life spans than other crabs.

Tags

NGSS.MS-LS2-2