Population Changes, Abiotic/Biotic, Predator Prey, and Biomes

Biotic factors of an ecosystem are:

• non-living
• plants
• living thing
• soil

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is a biotic factor in an ecosystem?

• Sunlight

• Soil

• Plants

• Water

Which of the following is an example of an abiotic factor in a rainforest?

• Trees

• Rainfall

• Monkeys

• Insects

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NGSS.MS-LS2-3

In a predator/prey relationship, which of the following is the predator?

• Deer eating grass

• Lion hunting a zebra

• Rabbit eating carrots

• Cow grazing on hay

Which of the following best describes a rainforest biome?

• Dry and hot with few plants

• Cold and snowy with evergreen trees

• Wet and warm with diverse plant and animal life

• Dry and cold with sparse vegetation

What happens to the prey population if the predator population increases?

• The prey population increases

• The prey population decreases

• The prey population stays the same

• The prey population migrates

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is the effect of an increase in prey population on the predator population?

• The predator population decreases

• The predator population increases

• The predator population stays the same

• The predator population migrates

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is an example of a biotic interaction in the rainforest?

• Rainfall patterns

• Soil composition

• A monkey eating fruit

• Temperature changes

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NGSS.MS-LS2-2

How do abiotic factors like temperature and rainfall influence the rainforest biome?

• They influence the amount of sunlight

• They influence the growth of the biotic factors, such as plants and animals.

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How do changes in abiotic factors like temperature and rainfall affect the populations of organisms in the rainforest?

• They have no effect on populations

• They only affect plant populations

• They can cause populations to increase or decrease

• They only affect animal populations

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4