Openscied Ecosystem Dynamics

If the population of rattlesnakes were to decrease, why would that help to increase the population of hawks?

• Rattlesnakes eat hawks

• Hawks eat rattlesnakes

• Rattlesnakes and hawks both eat kangaroo rats.

• It would not help the hawk population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is a negative impact that the Asian Carp have on native species in our rivers

• They eat the same food as some native species

• They use the same space as native species

• They out-compete some native species

• All of these

Tags

NGSS.MS-LS2-5

What is the original source of energy for this ecosystem?

• Plants

• Animals

• Air

• Sun

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Coyote populations have been increasing in recent years. Which would not be a reason for their increase?

• More food is available

• Less competition from other predators

• Less available habitat to live in.

• Less threat of being hunted by humans

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In an ecosystem, what role do decomposers play?

• They produce oxygen through photosynthesis

• They consume primary producers

• They break down dead material and waste into simpler substances

• They regulate the population of other species

Tags

DOK Level 2: Skill/Concept

Select the ecosystems that would be able to better resist the impact of disturbances or be able to rapidly recover from disutrbances

• those with a higher species diversity

• those with a lower species diversity

• species diversity has no impact on an ecosystem's ability to respond to disturbances

Tags

2.1

Which of the following terms describes any major changes that may occur to an ecosystem?

• Distubance

• Resiliency

• Adaptations

• Biodiversity

How does urbanization typically affect local ecosystems?

• By increasing biodiversity

• By reducing habitat space for wildlife

• By enhancing water quality

• By increasing the number of predators

Tags

DOK Level 2: Skill/Concept

What makes an ecosystem strong/weak in the face of change?

• Climate

• Average rainfall

• Biodiversity

• Sun exposure

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

If the populations of grasshoppers would decrease, what affect would that have on the population of lizards?

• Increase

• Stay the same

• Decrease

• Unable to determine

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4