Chapter 1- Life And Science Flashcards

0
Q

What are the basic characteristics of all living organisms?

A

They:

1) are organized
2) Acquire materials and energy
3) are homeostatic
4) respond to stimuli
5) reproduce and grow
6) have an evolutionary history

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1
Q

What is biology?

A

The study of living organisms and their environment.

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2
Q

What forms with an atom to make up a cell?

A

Molecules

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3
Q

What is a cell?

A

The smallest structural and functional unit of an organism

• a nerve cell is one of the types of cells in the human body.

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4
Q

What is a tissue?

A

A group of similar cells that perform a particular function.

• nervous tissue is composed of millions of nerve cells that transmit signals to all parts of the body.

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5
Q

What makes up an organ?

A

Several types of tissue.

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6
Q

What does each organ belong to?

A

An organ system

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7
Q

Organisms are..?

A

Ex. Trees humans

Are a collection of organ systems

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8
Q

What is a species?

A

A group of inbreeding organisms

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9
Q

Where does a species belong?

A

In a population

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10
Q

When a population interacts with another what is it called?

A

A community

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11
Q

What is an ecosystem?

A

The community of populations interact with the physical environment.

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12
Q

All the earths ecosystems make up?

A

Biosphere

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