Unit 11 - Interdependence

Unit 11 - Interdependence

7th Grade

20 Qs

quiz-placeholder

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Unit 11 - Interdependence

Unit 11 - Interdependence

Assessment

Quiz

Science

7th Grade

Hard

NGSS
MS-LS2-4, MS-LS2-2, MS-LS2-3

+4

Standards-aligned

Created by

Stephen Harvey

Used 14+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
The graph below shows the populations of two species from January 2010 to June 2011. One species is native to the ecosystem, while the other is a new species that was recently introduced to the ecosystem. How will the two populations most likely compare in December of 2011?

The population of the native species will be higher than the population of the new species.

The population of the native species will be lower and the population of the new species will be higher.

The population of the native species will be higher and the population of the new species will be lower.

The population of the both the native species and the new species will remain the same as it is in June 2011.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Food chains from four different habitats are shown below. Which food chain correctly represents a pattern of energy transfer from producer to consumers to decomposer?

Ocean: seaweed → sea urchin → squid → shark

Wetland: mosquito → fish → turtle → bacteria

Rainforest: hibiscus flower → monkey → jaguar → mushroom

Grassland: grass → mouse → hawk → vulture

Tags

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Top-level predators, such as wolves and lions, are categorized in the highest trophic levels in their food webs. Where does the energy they consume start?
their predators
producers
their prey
primary consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
The diagram below shows a food web within a forest ecosystem. This food web is missing an important group of organisms. What will most likely happen to the organisms that are a part of this food web?
The populations of prey will continue to grow due a lack of predators.
The organisms will eventually die out due to a lack of decomposers to break down decaying matter.
Due to a lack of sunlight, the tertiary consumers will develop the ability to feed on lower consumers. There will be an increase in mutualistic relationships among the organisms due to a lack of producers.
There will be an increase in mutualistic relationships among the organisms due to a lack of producers.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following correctly describes the relationship between hibiscus flowers and bumblebees that eat hibiscus nectar and transfer the pollen of the hibiscus flower
parasitism: bumblebees harm the host hibiscus flowers by removing pollen
commensalism: bumblebees live off the nectar but the hibiscus flowers do not benefit
predation: bumblebees feed on hibiscus flowers' nectar which causes the hibiscus flowers to die
mutualism: bumblebees pollinate hibiscus flowers and hibiscus flowers provide food for bumblebees

Tags

NGSS.MS-LS2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A small crab will make its home inside a mussel, obtaining food and shelter while the mussel simply tolerates the situation. In contrast, a different crab falls victim to an intruder who slowly extracts nutrients from its body by spreading a fungus-like substance throughout its extremities. Which two symbiotic relationships are described in the examples?
commensalism and parasitism
communism and predation
competition and mutualism
competition and symbiosis

Tags

NGSS.MS-LS2-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
8 A model of a marine food web is shown below. What might a food web model like this help scientists to understand?
the process of energy transfer in a food web
the relationships of producers in an ecosystem
how the populations change within an ecosystem
how the introduction of a new species changes the food web

Tags

NGSS.MS-LS2-3

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