7.10b

Which statement does NOT describe a biologically diverse ecosystem?

• Species within the ecosystem have diverse genetic traits

• The ecosystem is better able to withstand environmental stressors

• Organisms compete for limited resources

• A wide variety of species with stable populations co-exist

Tags

NGSS.MS-LS2-5

A disease is introduced into an ecosystem. Which location would be most vulnerable to the disease based on its observable biodiversity?

• Pond

• Wheat field

• Flower garden

• Forest

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

This picture shows a food web in a swamp ecosystem.  Which of the following statements explains the effect of biodiversity on the ecosystem if the mosquito population were to disappear from this ecosystem?

• Grass carp could still survive on bladderwort and the southern leopard frog could survive on butterflies.

• The butterfly orchids would overgrow and choke out the other organisms in the ecosystem.

• The southern leopard frog and grass carp would begin to consume the butterfly orchids to survive.

• The southern leopard frog, the raccoon, and thus the alligator would disappear from the ecosystem.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

__________________ the variety of organisms in a given area, the genetic variation within a population, the variety of species in a community or the variety of communities in an ecosystem.

• species

• biology

• Biodiversity

• diversity

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-4

Scientists studying two adjacent ecosystems observe different varieties of organisms in the two areas. Which of the following factors would contribute the least to the differing varieties of organisms in these two habitats.

(If I looked at these, which would I not be able to truly tell the difference of?)

• Climate (Temperatures/ rainfall)

• Soil type (Sand/ dirt)

• Water resources (Ocean/ river/ pond/lake)

• Wind

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Sudden floods hit ecosystems 1 and 2.  One ecosystem survives the natural disaster, while the other is wiped out. Use the data to explain which ecosystem can sustain life following a flood.

• Ecosystem 1 survives because it is small and less affected by natural disasters.

• Ecosystem 1 survives because it doesn't receive as much precipitation, so the flood will be a welcome water source.

• Ecosystem 2 survives because it has a lot of biodiversity, which allows it to better withstand natural disasters.

• Ecosystem 2 survives because it is used to receiving a lot of water since it has high annual precipitation.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

As species disappear from a prairie ecosystem, their disappearance results in decreased (lowered) -

• sustainability of the prairie ecosystem.

• numbers of species in nearby ecosystems.

• likelihood of prairie fires breaking out.

• numbers of offspring in remaining species.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What factor contributes most to the sustainability (the ability to be maintained at a specific level over time) of a habitat? 

• Competition among large predators

• Large variety of organisms

• Presence of volcanic rock

• Absence of bacterial species

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-5

A species that enters an ecosystem that is not native to that region is known as a/an: 

• Threatened Species

• Endangered Species

• Endemic Species

• Invasive Species

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5

In which area of the world would I expect to see more biodiversity?

• North Pole

• Sahara Dessert

• Houston Texas

• Amazon Rainforest

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5