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Scott's Living Environment > Living Environment | Total Course > Flashcards

Living Environment | Total Course Flashcards

Pass the regents.

1
Q

Are you ready for the regents?

A

Yes 💯

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2
Q

Observation

A

What is seen or measured.

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3
Q

Inference

A

A conclusion based on observation or evidence.

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4
Q

Hypothesis

A

A prediction based on available evidence. States cause and effect. (If-Then)

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5
Q

Control group

A

“Normal” group

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6
Q

Experimental group

A

Group being tested, “Test Group” (recieves treatment)

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7
Q

Placebo

A

A fake (like Kieran)

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8
Q

Independent Variable - X Axis

A

Variable being tested (new drug, new fertilizer)

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9
Q

Dependent Variable - Y Axis

A

variable measured at the end of an experiments, results

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10
Q

Characteristics of a good experiment

A

Large sample size
Can be repeated the same way, same results

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11
Q

The four biomolecules

A

Carbs
Proteins
Lipids
Nucleic Acids

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12
Q

Organic Compounds

A

Carbon & Hydrogen
larger than inorganic molecules

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13
Q

Carbs

A

Made from simple sugars
Supplies energy

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14
Q

Lipids

A

Fats, oils
Stores energy

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15
Q

Proteins

A

Composed of Amino Acids
Makes most of your body’s essential chemicals
Shape determines job

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16
Q

Four jobs of proteins

A

Enzymes
Receptor molecules
Antibodies
Hormones

17
Q

Enzyme

A

Catalyst made from protein - affects speed of chemical reactions.
Enzymes only fit one type of molecule ONLY.

18
Q

pH

A

0-6 acidic
8-14 base
7 - neutral (water)

19
Q

Homeostasis/Dynamic Equilibrium

A

Organisms balanced state

20
Q

Some basic life functions include:

A

Nutrition
Excretion
Respiration
Growth

21
Q

Diffusion

A

Movement of molecules from high to low concentrations. (No energy)

22
Q

Active Transport

A

Movement of molecules from low to high concentrations. (Uses energy)

23
Q

Osmosis

A

Diffusion of water (in or out of cell)

24
Q

Swelling and shrivelling

A

Water diffuses into cell ➡ Cell swells, larger
Water diffuses out of cell ➡ Shrivels up

25
Q

Authotroph

A

Makes it’s own food

26
Q

Heterotroph

A

Eats other organisms (Plants and animals)

Scott's Living Environment (1 decks)

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