Semester 1 Finals Flashcards

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1
Q

Most starfish turn their cardiac stomach inside out to eat captured prey. The cardiac stomach digests the food outside of the body and, when complete, returns to the inside of the body. What term applies to the cardiac stomach?

A

organ

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2
Q

What steps will reduce the amount of an input to photosynthesis?

A

cover half of the plant’s stomata and reduce the amount of sunlight that is available to the plant

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3
Q

Homeostasis

A

the maintenance of constant internal conditions in an organism

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4
Q

Cell –> Biome

A

Atom → Molecules → Cells → Tissues → Organs → Organ Systems → Organisms → Population → Community → Ecosystem → Biomes → Biosphere

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5
Q

What are the characteristics of living things?

A

Homeostasis, reproduction, metabolism, DNA, made of cells, ability to adapt to environments

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6
Q

hypothesis

A

a proposed explanation made based on limited evidence as a starting point for further investigation

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7
Q

Control Group

A

the standard to which comparisons are made in an experiment

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8
Q

Independent variable

A

a variable whose variation does not depend on that of another

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9
Q

Dependent variable

A

a variable whose value depends on that of another

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10
Q

centi

A

0.01 of a unit

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11
Q

milli

A

0.001 of a unit

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12
Q

micro

A

0.000001 of a unit

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13
Q

kilo

A

1000 units

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14
Q
A
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