Biotic Factors of Ecology - 7th grade

Biotic Factors of Ecology - 7th grade

7th - 8th Grade

40 Qs

quiz-placeholder

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Biotic Factors of Ecology - 7th grade

Biotic Factors of Ecology - 7th grade

Assessment

Quiz

Biology

7th - 8th Grade

Practice Problem

Medium

NGSS
MS-LS2-4, MS-LS2-1, MS-LS2-3

+9

Standards-aligned

Created by

Karen Sexton

Used 352+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Humus is part of the soil within an ecosystem. Worms often act as decomposers within that ecosystem. Decomposition is the worm's ___ in the ecosystem.

niche
habitat
biome
ecosystem

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Kudzu takes over almost any area in which it germinates. Kudzu is considered to be a(n) __.

invasive species
predator
native species
prey

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Levels of ecological organization in order from largest to smallest would be _____.

species, population, community, ecosystem, biome
biome, ecosystem, community, population, species
biome, ecosystem, population, community, species
population, species, community, biome

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The picture below shows a ____.

population
community
ecosystem
biome

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph illustrates what has happened over an 8 year period, when non-native Nile perch were introduced to Lake Malawi in Africa. Based on the data, what recommendation would you make to African biologists? 

There is not enought information on the graph
Reduce both fish populations, or they will starve one another out.
Remove the pike cichlids, as they are competing with the Nile perch.
Remove or reduce the Nile Perch as quickly as possible, as it is out competing the Pike Cichlid

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The picture below shows ____.

an ecosystem
a community
a species
a biome

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A wolf changes his predation patterns in the winter and stops eating his normal prey, deer,  by preying on salmon in a nearby stream. What is a reason why the wolf would ignore the deer and eat salmon in this situation?

The deer population has increased due to over abundance of producers for them to eat.
The deer population has migrated tot he south and are not availale for the wolves any longer.
Wolves get tired of being injured by the hooves of deer during predation.
Salmon mate in the spring in streams in the ZNortheast, so ther is an abundance of salmon in the area.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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