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Biology Mid-Term > Biology Test- Chapter 1 > Flashcards

Biology Test- Chapter 1 Flashcards

Questions

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1
Q

Collection of organs that work together

A

Organ Systems

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2
Q

Cells with a particular role in the body

A

Specialized Cells

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3
Q

Anything that has or had 8 characteristics of life

A

Organism

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4
Q

Act of creating offspring

A

Reproduction

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5
Q

Many cells

A

Multicellular

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6
Q

Orderly arrangement

A

Organization

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7
Q

Natural changes over 1 life time

A

Development

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8
Q

The study of life

A

Biology

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9
Q

Single cell

A

unicellular

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10
Q

Aggregate of cells that form a structural material

A

Growth

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11
Q

Collection of tissues form a functional unit

A

Organs

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12
Q

Addition of mass/cells to a organism

A

Growth

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13
Q

Use of evidence to construct explanations

A

science

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14
Q

Inherited chacteristics inter species

A

adaptation

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15
Q

Educated Guess

A

Hypothesis

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16
Q

Changing expectations or results

A

Bias

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17
Q

Organisms that can produce fertile offspring

A

species

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18
Q

Set of moral principles

A

ethics

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19
Q

Regulation of internal conditions

A

homeostasis

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20
Q

results being evaluated by other scientists

A

peer review

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21
Q

Describes a relationship that is always true

A

scientific law

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22
Q

Explanation of nature (very supported)

A

Scientific Theory

23
Q

Imitates Science

A

Pseudosciences

24
Q

You need 6 characteristics of life to be an organism.

A

False

25
Q

Your blood pressure remaining at a consistent level is an example of homeostasis.

A

True

26
Q

Your old basketball shoes not fitting is an example of growth.

A

True

27
Q

Hypothesis means using your senses to gather information.

A

False

28
Q

Blinking your eye when a bug flies by is a homeostasis example.

A

False

29
Q

Needing to eat extra food before a sporting event is an example of development.

A

False

30
Q

Which best describes a scientific theory?

A

An explanation supported by many experiments over time.

31
Q

Which best describes adaptation?

A

Inherited changes in response to environmental factors

32
Q

Which is a statement of fact about what happens in nature and seems to be true all the time?

A

Scientific Law

33
Q

Which is true about scientific inquiry?

A

It is testable

34
Q

Which is the best and most complete definition of the term biology?

A

The study of life

35
Q

Which is an example of a pseudoscience?

A

Astrology

36
Q

What characteristic must be true of a good hypothesis

A

Must be testable by observation or experiment

37
Q

When expectations affect how results are interpreted leading to false conclusions, this is called

A

Bias

38
Q

Which best explains the relationship between scientific theories and scientific laws?

A

They are fundamentally different and one cannot become the other.

39
Q

Which describes peer review of a scientific study?

A

Evaluation by scientists in the same field

40
Q

Which of the following steps of the scientific method is first?

A

Identify a Problem

41
Q

After a scientist analyze the results they then ________________ .

A

Draw conclusions

42
Q

Which is a characteristic of all living organisms?

A

Has one or more cells

43
Q

How do most plants and some unicellular organisms get the food they need to survive?

A

By using light energy from the sun to make food

44
Q

Which is an explanation of things or events based on knowledge gained from many investigations?

A

Scientific Theory

45
Q

John is raising goldfish. He has 4 fish tanks each one if being fed different amounts of food to see if they will grow to different sizes. The first is left normal and fed 1 time a day, second 2 times a day, third is fed every other day and the 4th is 3 times a day. What is the independent variable?

A

How many times a day fish are fed.

46
Q

The dependant variable depends on the

A

Independant Variable

47
Q

Rachel is growing rose bushes in her greenhouse. She is testing how different types of soil affect the growth of the plant. She decides to test topsoil, gravel and clay. What is the independent variable?

A

Soil Type

48
Q

A veterinarian is experimenting with medications for dogs. He tests 3 medications on three different dogs and a 4th dog gets no medication. What is the 4th dog in this experiment?

A

Control Group

49
Q

John is raising goldfish. He has 4 fish tanks each one if being fed different amounts of food to see if they will grow to different sizes. The first is left normal and fed 1 time a day, second 2 times a day, third is fed every other day and the 4th is 3 times a day. What is the dependent variable?

A

The size of the goldfish

50
Q

How many variables should you test at 1 time.

A

1

51
Q

Rachel is growing rose bushes in her greenhouse. She is testing how different types of soil affect the growth of the plant. She decides to test topsoil, gravel and clay. What is the dependent variable?

A

Growth of the plants

52
Q

A farmer wants to see if a new fertilizer will help his crops produce more fruit. What is the dependent and independent variable in this experiment?

A

Independant: New fertilizer
Depemdent: crops produce more fruit

53
Q

A farmer wants to see if a new fertilizer will help his crops produce more fruit. Write a hypothesis for this experiment as an if-then statement.

A

f I start using a new fertilizer, then the crops will produce more fruit.

54
Q

A farmer wants to see if a new fertilizer will help his crops produce more fruit. What are at least 2 control variables in this experiment?

A

type of soil, and type of plant

Biology Mid-Term (1 decks)

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