Organisms

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Middle School Life Science › Organisms

Questions 1 - 10
1

Which of these is an example of an organism?

a tree

water

a rock

mountains

Explanation

The answer is a "tree."

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Nonliving things are not made of cells. A rock is an example of a non-living thing.

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

2

Which of these is an example of an organism?

a tree

water

a rock

mountains

Explanation

The answer is a "tree."

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Nonliving things are not made of cells. A rock is an example of a non-living thing.

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

3

After wood is removed from a tree, is it still a living thing?

No, it is no longer living because it cannot grow, reproduce, or respirate.

No, it is no longer living because it has no more cells.

Yes, it is still living because it's still made of cells.

Yes, it's still living because even though it's dead, it was once living.

Explanation

The answer is "No, it is no longer living because it cannot grow, reproduce, or respirate."

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Nonliving things are not made of cells. A rock is an example of a non-living thing.

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

4

After wood is removed from a tree, is it still a living thing?

No, it is no longer living because it cannot grow, reproduce, or respirate.

No, it is no longer living because it has no more cells.

Yes, it is still living because it's still made of cells.

Yes, it's still living because even though it's dead, it was once living.

Explanation

The answer is "No, it is no longer living because it cannot grow, reproduce, or respirate."

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Nonliving things are not made of cells. A rock is an example of a non-living thing.

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

5

Which of these objects is NOT an organism?

a rock

a tree

a dog

a flower

Explanation

The answer is "a rock"

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Nonliving things are not made of cells. A rock is an example of a non-living thing.

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

6

Which of these objects is NOT an organism?

a rock

a tree

a dog

a flower

Explanation

The answer is "a rock"

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Nonliving things are not made of cells. A rock is an example of a non-living thing.

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

7

A human heart is an example of:

a group of cells

a living organism

a single cell

none of these

Explanation

The answer is a group of cells. It is not an organism because a heart can not reproduce on its own.

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Non-living things are not made of cells. A rock is an example of a non-living thing. Living parts of environments are considered “biotic factors,” and nonliving parts of environments are considered “abiotic factors.”

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

8

A human heart is an example of:

a group of cells

a living organism

a single cell

none of these

Explanation

The answer is a group of cells. It is not an organism because a heart can not reproduce on its own.

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Non-living things are not made of cells. A rock is an example of a non-living thing. Living parts of environments are considered “biotic factors,” and nonliving parts of environments are considered “abiotic factors.”

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

9

Which of these is a biotic factor in an environment?

grass

soil

fallen tree branches

water

Explanation

The answer is grass.

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Non-living things are not made of cells. A rock is an example of a non-living thing. Living parts of environments are considered “biotic factors,” and nonliving parts of environments are considered “abiotic factors.”

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

10

Which of these is a biotic factor in an environment?

grass

soil

fallen tree branches

water

Explanation

The answer is grass.

Organisms are living things. Living things have the ability to reproduce, grow, and breathe. They are made of cells. Unicellular organisms like paramecium are made of one single cell while multicellular organisms like trees are made of many. Non-living things are not made of cells. A rock is an example of a non-living thing. Living parts of environments are considered “biotic factors,” and nonliving parts of environments are considered “abiotic factors.”

You may be wondering whether wood is a "living thing" since it can no longer reproduce once separated from a tree. Think of it like dead skin. It is made of cells, and used to be part of a living thing, but is no longer a growing, breathing organism itself.

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