Population Growth/Ecological Interactions Unit: Pre-Assessment

What is the primary source of energy for most ecosystems?

• Water

• Sunlight

• Soil

• Wind

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following is an example of a predator-prey relationship?

• Bees and flowers

• Lions and zebras

• Fish and water

• Birds and trees

Tags

NGSS.MS-LS2-4

If a drought occurs in an ecosystem, what is a likely effect on the population of herbivores?

• Increase in population

• Decrease in population

• No change in population

• Herbivores will become carnivores

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS1-5

How might the introduction of a new predator affect the existing food web in an ecosystem?

• It will have no effect

• It will increase the population of all species

• It may decrease the population of certain prey species

• It will cause all species to migrate

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Analyze the following scenario: In a forest ecosystem, a disease reduces the population of deer. What might be a consequence for the wolf population that preys on deer?

• The wolf population will increase

• The wolf population will decrease

• The wolf population will remain the same

• Wolves will start eating plants

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Construct an explanation for how deforestation might affect the interactions between species in a rainforest ecosystem.

• It will have no effect on species interactions

• It will increase the number of species

• It may disrupt food chains and lead to species decline

• It will cause all species to become nocturnal

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following is a constraint that must be considered when designing a wildlife corridor to connect two habitats?

• The color of the corridor

• The type of soil used

• The cost and impact on local communities

• The number of trees planted

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Evaluate the following design solutions for reducing pollution in a river: Solution A involves planting trees along the riverbank, while Solution B involves installing a filtration system. Which solution better meets the criteria of being cost-effective and environmentally friendly?

• Solution A

• Solution B

• Both solutions are equally effective

• Neither solution is effective

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ESS3-3

NGSS.MS-ETS1-3

Construct an argument supported by evidence on how the removal of a keystone species, such as a top predator, might affect an ecosystem.

• It will have no effect on the ecosystem

• It will lead to an increase in biodiversity

• It may cause a trophic cascade, affecting multiple species

• It will only affect the keystone species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Define the criteria for a successful design of a sustainable garden that supports local wildlife.

• It should be aesthetically pleasing

• It should require minimal maintenance

• It should provide food, water, and shelter for wildlife

• It should be located in a remote area

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-LS2-5