*Unit 1 Part 1: Scientific Method and Characteristics of Life Flashcards

Scientific Method

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1
Q

Characteristics of life are what _____ do.

A

living things

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2
Q

Characteristic #1 of living things is that living things are made of _____.

A

one or more cells

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3
Q

Unicellular organisms consist of _____.

A

a single cell

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4
Q

Multicellular organisms are made of _____.

A

many cells

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5
Q

Characteristic #2 of living things is that living things display _____.

A

organization

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6
Q

Each structure in an organism has a specific _____.

A

function/job

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7
Q

Characteristic #3 of living things is that they _____ and _____.

A

grow; develop

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8
Q

All organisms start off as _____.

A

one cell

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9
Q

Characteristic #4 of living things is that living things _____.

A

reproduce

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10
Q

All living things pass on their _____ to offspring.

A

DNA

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11
Q

A _____ is a group of organisms that can mate and produce fertile offspring.

A

species

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12
Q

Characteristic #5 of living things is that living things respond to _____.

A

stimuli

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13
Q

Stimulus

A

Anything that is part of either an organism’s external or internal environment that causes a reaction

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14
Q

Response is an organism’s reaction to _____.

A

stimulus

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15
Q

Response to stimuli does not have to be _____.

A

movement

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16
Q

Characteristic #6 of living things is that they require _____.

A

energy

17
Q

_____ capture energy from the sun to produce their own food.

A

Autotrophs

18
Q

_____ obtain energy from consuming other organisms.

A

Heterotrophs

19
Q

Characteristic #7 of living things is that living things maintain _____.

A

homeostasis

20
Q

Homeostasis

A

The regulation of an organism’s internal conditions to maintain balance or normal conditions

21
Q

List an example of homeostasis

A

~Sweat to maintain cool temperature
~Dogs panting

22
Q

Characteristic #8 of living things is that living things _____/_____ over time.

A

adapt; evolve

23
Q

Adaptation

A

A chracteristic that helps an organism survive in its environment

24
Q

Do all living things require oxygen?

A

No, not all living things require energy.

25
Q

Many _____ organisms can survive without oxygen.

A

anaerobic

26
Q

What is the mnemonic device used to remember the characteristics of life?

A

HOGRACER

27
Q

What does HOGRACER stand for?

A

H: Homeostasis
O: Organization
G: Growth and Development
R: Reproduction
A: Adaptation
C: Cells
E: Energy is required
R: Response to stimulus