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Science 7A > MidTerm Exam Terms > Flashcards

MidTerm Exam Terms Flashcards

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Biology 101 flashcards
1
Q

A negative result of either taking or not taking an action is what?

A

Cost

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2
Q

A good consequence of taking an action is what?

A

Benefit

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3
Q

The knowledge and understanding of scientific principles required for evaluating information, making personal decisions and taking part in public affairs is what?

A

Scientific literacy

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4
Q

Observations and conclusions that have repeated are what?

A

Evidence

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5
Q

An idea about a situation that is not supported by evidence is what?

A

Opinion

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6
Q

A public disagreement between groups with different views is what?

A

Controversy

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7
Q

The study of living things, including plants, animals, and microscopic life forms is what?

A

Life science

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8
Q

What is the study of Earth and its place in the universe?

A

Earth and space science

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9
Q

What is the study of energy, motion, sound, light, electricity, magnetism, and chemistry?

A

Physical science

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10
Q

What are the three main areas of science careers?

A

life science, earth and space science and physical science

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11
Q

What is mean?

A

Mean is the average of all numbers added.

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12
Q

What is the median?

A

Median is the middle number in numerical order.

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13
Q

What is mode?

A

Mode is the number value that occurs most often.

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14
Q

What is range?

A

Range is the difference between the largest and the smallest data.

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15
Q

Who is Rachel Carson?

A

She was a biologist who wrote about science and nature and discovered that DDT was poisonous.

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16
Q

What are the levels of organization?

A

Cells, tissues, organs and organ systems

17
Q

Takes oxygen into the body and eliminates carbon dioxide - what system is this?

A

Respiratory system

18
Q

Detects and interprets information from the environment outside the body and from within the body; controls most body functions - what system is this?

A

Nervous system

19
Q

takes food into the body, breaks food down, and absorbs the digested materials - what system is this?

A

Digestive system

20
Q

Carries needed materials to the body cells; carries waste away from the body cells; helps fight disease - what system is this?

A

Circulatory system

21
Q

Strong connective tissue that attachs a muscle to a bone is called what?

A

Tendon

22
Q

Strong connective tissue that holds together bones and a movable joint is called what?

A

Ligament

23
Q

What are the types of joints?

A

The types of joints are: hinge, pivot, gliding, ball and socket

24
Q

What are the motions of joints?

A

360 motion, one bone to rotate around another, extensive forward or backward, one bone sliding over another

25
Q

The 26 small bones that make up a backbone are called what?

A

Vertebrae

26
Q

The soft tissue that fills the internal spaces in bone is called what

A

Marrow

27
Q

A connective tissue that is more flexibvle than bone and that gives support to some parts of the body is called what?

A

Cartilage

28
Q

What is it when the body’s bones become weak and break easily?

A

Osteoporosis

29
Q

What are the functions of the skeletal system?

A

1) provides shape and support
2) enables you to move
3) protects your internal organs
4) produces blood cells
5) stores certain materials until your body needs them

30
Q

A muscle that is attached to the bones of the skeleton is called what?

A

Skeletal muscle

31
Q

What is involuntary muscle found inside many internal organs of the body?

A

smooth muscle

32
Q

What is muscle tissue found only in the heart?

A

Cardiac muscle

33
Q

What are the functions of the skin?

A

1) The skin covers the body and prevents the loss of water
2) Protects the body from injury and infections
3) Helps to regulate body temperature
4 Eliminates wastes
5) Gathers information about the environment
6) Produces vitamin D

34
Q

What is the epidermis?

A

The epidermis is the outer most layer of the skin.

35
Q

What is the dermis?

A

The dermis is the lower layer of the skin.

36
Q

A pigment that gives skin its color is what?

A

Melanin

37
Q

A disease in which some body cells divide uncontrollably is called what?

A

Cancer

38
Q

What nutrients are required in keeping your bones strong and healthy?

A

Calcium, phosphorous and vitamin D are important nutrients that keep bones and teeth healthy. These nutrients are found in dairy products and green leafy vegetables

Science 7A (10 decks)

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