What role do decomposers play in an ecosystem?

They break down dead organisms and recycle nutrients.

They produce energy through photosynthesis.

They consume other organisms for energy.

They compete with other organisms for resources.

In a food chain, which of the following represents the correct order of energy flow?

Decomposer → Grass → Rabbit

Which of the following best describes a generalist organism?

Has a varied diet and can live in diverse environments

What is the relationship between biotic and abiotic factors in an ecosystem?

Organisms rely on abiotic factors to survive.

Biotic factors do not depend on abiotic factors.

Abiotic factors are only important for producers.

Biotic factors are always more important than abiotic factors.

What is the main purpose of photosynthesis?

To absorb nitrogen from the atmosphere

How do decomposers contribute to the carbon cycle?

They release carbon stored in dead organisms back into the environment.

They produce oxygen for plants to use.

They prevent carbon from re-entering the atmosphere.

How do oceans contribute to the carbon cycle?

They absorb carbon dioxide from the atmosphere.

They release oxygen through photosynthesis.

They prevent plants from taking in CO₂.

They store carbon in the form of glucose.

How do animals obtain carbon in the carbon cycle?

By eating plants or other animals

What happens to carbon stored in fossil fuels when they are burned?

It is released as carbon dioxide.

It is trapped in the atmosphere.

How does deforestation affect the carbon cycle?

It reduces the amount of CO₂ absorbed by trees.

It increases oxygen production.

It decreases the decomposition rate.

Why are oceans considered a carbon sink?

They absorb more CO₂ than they release.

They store carbon dioxide for photosynthesis.

They produce carbon through respiration.

They prevent carbon from entering the soil.

What would happen if plants stopped performing photosynthesis?

Animals would lose a major source of oxygen.

Carbon dioxide levels in the atmosphere would decrease.

The carbon cycle would speed up.

Which of the following describes an anabolic process?

Building glucose during photosynthesis

Releasing carbon dioxide during respiration

Absorbing carbon dioxide from the atmosphere

What is the primary role of the sun in the carbon cycle?

It drives the process of photosynthesis.

It releases carbon dioxide from fossil fuels.

It absorbs carbon dioxide into the soil.

It allows decomposition to occur faster.

Theodor Schwann is known for concluding that:

Cells come only from pre-existing cells.

What does the cell theory state?

The cell is the basic unit of life.

All organisms are multicellular.

Cells arise only through spontaneous generation.

Which is NOT part of the cell theory?

Cells contain membrane-bound organelles.

All living things are made of cells.

Cells are the basic unit of structure and function.

All cells arise from pre-existing cells.

What distinguishes prokaryotic cells from eukaryotic cells?

Prokaryotic cells lack a nucleus.

Eukaryotic cells do not have organelles.

Eukaryotic cells have free-floating DNA.

Which of the following is true about eukaryotic cells?

They contain membrane-bound organelles.

They are smaller than prokaryotic cells.

Biological midterm review 2

Quiz

•

Biology

•

9th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-LS2-5, HS-LS1-7, HS-LS1-5

+12

Standards-aligned

Ahmed El-Samanody

Used 5+ times

FREE Resource

67 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the highest level of biological organization?

Ecosystem

Community

Population

Biosphere

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following includes all living and non-living components in a specific area?

Community

Population

Ecosystem

Organism

Tags

NGSS.HS-LS2-6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A group of individuals of the same species living in a specific area is called a(n):

Community

Ecosystem

Population

Biosphere

Tags

NGSS.HS-LS2-2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What term describes all the different species living and interacting in a particular area?

Ecosystem

Community

Population

Organism

Tags

NGSS.HS-LS2-2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Water

Soil

Trees

Temperature

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is an abiotic factor?

A living component of an ecosystem

A non-living component that affects ecosystems

An organism that breaks down dead material

A type of consumer

Tags

NGSS.HS-ESS2-2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following organisms is a producer?

Deer

Wolf

Grass

Vulture

Tags

NGSS.MS-LS2-3

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Biological midterm review 2

67 questions

What is the highest level of biological organization?

Which of the following includes all living and non-living components in a specific area?

A group of individuals of the same species living in a specific area is called a(n):

What term describes all the different species living and interacting in a particular area?

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

What is an abiotic factor?

Which of the following organisms is a producer?

What type of consumer eats only plants?

Which of the following is an example of a carnivore?

What role do decomposers play in an ecosystem?

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