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Biology > 1.3 Studying Life > Flashcards

1.3 Studying Life Flashcards

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1
Q

What is biology?

A

The study of life and living things.

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2
Q

In what two Greek words biology divides?

A

In bios which means life and logos which means study of.

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3
Q

Living things are made up of basic units called

A

Cells

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4
Q

What characteristics do all living things share?

A

Have cells, DNA, obtain and use energy, grow and develop, reproduce, respond to their environment, maintain homeostasis, and change over time.

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5
Q

A genetic code

A

DNA

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6
Q

Is information that is copied and passed from parent to offspring.

A

DNA

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7
Q

Smallest units of an organism

A

Cells

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8
Q

Is a collection of living matter enclosed by a barrier that separates the
cell from its surroundings.

A

A cell

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9
Q

Is a signal to which a
living thing reacts.

A

Stimulus

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10
Q

Living thing reproduce in two types:

A

Sexual and Asexual

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11
Q

Cells from two parents
come together to form the first cell of a new
living thing.

A

Sexual Reproduction

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12
Q

A single-celled organism divides in half to
form two new organisms.

A

Asexual Reproduction

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13
Q

Is any process with which a living thing keeps itself alive

A

Homeostasis

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14
Q

Is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

A

Homeostasis

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15
Q

Is a chemical
reactions through which a living thing
builds up or breaks down materials

A

Metabolism

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16
Q

Living things are made up of only a single cell are called

A

Unicellular organisms

17
Q

Plants and animals are unicellular or multicellular

A

Multicellular organisms

18
Q

Life needs _______ that serves as nutrients to build body parts and energy that fuels the body.

A

matter

19
Q

“Living planet’’

A

Biosphere

20
Q

Multi-cellular organisms typically go through a
process called

A

Development

21
Q

As cells divide, they change in shape and structure in a process called

A

Differentiation

22
Q

Change over time in living things is called

A

Evolution

23
Q

What are the biological principles of living things

A

-Cellular Basis
-Information and Hereditary
-Matter and Energy
-Structural and Functional
-Reproduction
-Movement
-Evolution
-Unity and Diversity

24
Q

All the reactions by which a living thing builds
up and breaks down matter is its _______.

A

Metabolism

25
Q

The part of Earth where living things are found
is called the __________.

A

Biosphere

26
Q

All the information that an animal needs to live
is stored in it

A

DNA

Biology (7 decks)

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