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Ecology Quiz Review

Authored by Kimberly Strong

Science

7th - 8th Grade

NGSS covered

Ecology Quiz Review
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30 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What would best explain the decrease in primary producers?

an increase in solar energy
a decrease in O2 levels in the H2O
a decrease in the population of tertiary consumers
an increase in the population of primary consumers

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What would likely be the result if a pesticide is used to reduce the # of harvester ants?

an increase in snakes & a decrease in hawks
a decrease in snakes & an increase in hawks
a decrease in mesquite bushes & an icnrease in horned lizards
an increase in mesquite bushes & a decrease in horned lizards

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The oak savanna ecosystem is dependent on wildfires & controlled burnings to manage the growth of invasive & nonnative shrubs and trees and to help maintain the native semi-open ecosystem.  Which statement BEST describes the impact invasive plant species could have if not maintained by fires?

they could decrease the populations of native species
they could decrease the amount of O2 available for the native animals
they could increase the amount of food available to native plants & animals
they could increase the amount of N in the soil that is toxic to the native plants

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these factors is most important for reestablishing plants & trees on an abandoned farm?

sunlight & CO2
O2 and CO2
glucose & N
ATP and xylem

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A decrease in the frog population would MOST likely lead to an increase in the population of which organisms?

owl
grass
snake
grasshopper

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How would a drought in the Southern Plains most likely affect the quail population?

an increase in the quail population due to a decrease in the rabbit population
a decrease in the quail population due to a decrease in nesting cover
an increse in the quail population due to a decrese in the mouse population
all of these

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

To reduce erosion in an area, an exotic fast-growing vine is introduced into the area without any growth control.  How will the new plant most likely have an effect on the ecosystem?

The vine will provide protection for the native plants
The vine will provide more CO2 to all of the other species
The vine will compete with native plants for resources
The vine will compete with native animals for food, water, and minerals

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-5

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