How does temperature affect the speed of chemical reactions in the cells?

Heat affects the speed of chemical reactions, increasing the rate as temperature rises.

Temperature does not affect the speed of chemical reactions.

Heat decreases the speed of chemical reactions.

Heat affects the speed of chemical reactions, decreasing the rate as temperature rises.

What does it mean for birds and mammals to be endothermic?

They have the ability to generate heat internally and control heat loss to keep their body temperature.

They rely on external heat sources to regulate their body temperature.

They cannot regulate their body temperature at all.

They maintain a constant body temperature by hibernating.

Why will many Australian plants germinate after a fire?

Due to the chemicals released in the smoke

Because of the water used to extinguish the fire

Because of increased sunlight after the fire

Why is light necessary for plants?

It is necessary for photosynthesis, which is how plants manufacture food.

It helps plants to grow faster.

It helps plants to fight diseases.

What is competition in the context of biotic factors?

When both organisms obtain the same resource.

When one organism benefits at the expense of another.

When organisms live together without any interaction.

When one organism changes the environment to suit its needs.

Why do some organisms not survive as a result of competition?

Because there is only a limited supply of food and resources.

Because they migrate to different regions.

Because they adapt to new resources.

Because there is an unlimited supply of food and resources.

What is mutualism in the context of biotic factors?

B) A relationship where two organisms live closely together and both benefit.

A) A relationship where one organism benefits and the other is harmed.

C) A relationship where one organism benefits and the other is unaffected.

D) A relationship where both organisms compete for resources.

A relationship where one organism lives on or in another organism (the host) and feeds off it.

A relationship where both organisms benefit from each other.

A relationship where one organism preys on another organism for food.

A relationship where both organisms harm each other.

What is the usual outcome for the host in a parasitic relationship?

The parasite usually harms the host, and in some cases kills it.

The host benefits from the parasite.

The host is unaffected by the parasite.

The host becomes stronger due to the presence of the parasite.

What is commensalism?

A relationship where one organism benefits and the other is unaffected.

A relationship where both organisms benefit.

A relationship where one organism is harmed and the other benefits.

A relationship where both organisms are harmed.

What is a structural adaptation?

A body part that helps an organism to survive.

A learned behavior that helps an organism to survive.

A temporary change in an organism's behavior.

9.1 Components of an Ecosystem

Quiz

•

Science

•

9th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS2-2, MS-LS2-4, MS-LS2-3

+7

Standards-aligned

Stacey Wemyss

Used 110+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the concept of interdependence in living organisms?

Living things compete with each other for survival.

Living things depend on each other for survival.

Living things exist independently of each other.

Different organisms do not affect each other's survival.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the study of how organisms interact with each other and their environment called?

Biology

Zoology

Ecology

Geology

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the environment consist of?

Only the living factors in an organism's surroundings

Only the non-living factors in an organism's surroundings

All the factors in an organism's surroundings that affect its survival

The climate conditions only

Tags

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is a habitat different from an environment?

A habitat is a larger area than an environment

A habitat includes only the non-living factors

A habitat is simply where the organism lives

A habitat can only be found in terrestrial ecosystems

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an ecosystem?

A system formed by a group of non-living things interacting with each other.

A community of people living and working together.

A system formed by a group of living things interacting with each other and their non-living surroundings.

A single organism living in its natural habitat.

Tags

NGSS.MS-LS2-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two main sets of factors that can affect organisms?

Genetic factors and environmental factors

Intrinsic factors and extrinsic factors

Abiotic factors and biotic factors

Chemical factors and physical factors

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of an abiotic factor?

Predators

Fire

Parasites

Collaborators

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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9.1 Components of an Ecosystem

21 questions

What is the concept of interdependence in living organisms?

What is the study of how organisms interact with each other and their environment called?

What does the environment consist of?

How is a habitat different from an environment?

What is an ecosystem?

What are the two main sets of factors that can affect organisms?

Which of the following is an example of an abiotic factor?

Which of the following is an example of a biotic factor?

How does temperature affect the speed of chemical reactions in the cells?

What term is used to describe animals that rely on environmental heat sources rather than generating heat internally?

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