Question 1

What is the process that results in a population adapted to theenvironment?

Group of answer choices

natural selection

reproduction

homeostasis

biodiversity

metabolism

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Question 2

Which of the following is NOT required fornatural selection?

Group of answer choices

Organisms acquire their characteristics under environmentalpressure

Organisms struggle to exist

Organisms vary in their traits

Organisms differ in their fitness biodiversity

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Question 3

Match the evidence for evolution with its example. Answers canbe used more than once.

Group of answer choices

The human knee bone and spine were derived fromancestral structures that supported four-leggedanimals.

      [ Choose ]           Anatomical / Biogeographical /Biochemical      

The genetic code is the same for allorganisms.

      [ Choose ]           Anatomical / Biogeographical /Biochemical      

The South American continent lacks rabbits, even thoughthe environment is quite suitable.

      [ Choose ]           Anatomical / Biogeographical /Biochemical      

The amino acid sequence of human hemoglobin is moresimilar to that of rhesus monkeys than to that ofmice.

      [ Choose ]           Anatomical / Biogeographical /Biochemical      

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Question 4

The fossil record offers direct evidence for common descentbecause you can (select all that apply)

Group of answer choices

trace the ancestry of a particular group over time.

sometimes find common ancestors.

see the different beak sizes in finches

see that the types of fossils change over time.

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Question 5

Which of the following is NOT an example of naturalselection?

Group of answer choices

On a tree, leaves that grow in the shade are larger than thosethat row in the sun.

Plant species that produce fragrances to attract pollinatorsproduce more offspring.

Rabbits that sprint quickly are more likely to escapepredation.

Insect populations exposed to pesticides become resistant to thechemicals.

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Question 6

The process of ____________ leads to organisms that are______________ that environment.

Group of answer choices

homeostasis, suited to

natural selection, adapted to

evolution, not suited to

adaptation, only found in

natural selection, perfect for

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Question 7

Which of the following is NOT evidence thatsupports evolution?

Group of answer choices

Geology and fossils

Analogous structures

Biogeography

Anatomically similar structures

Molecular biology

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Question 8

What 3 factors in the body interact to maintain homeostasis?

Group of answer choices

Proteins, carbohydrates, and lipids

Chemical, thermal and neural factors

Chemical, thermal and endocrine factors

Hormone, immune, and neural factors

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Question 9

Which of the following are examples of things in the body thatneed to maintain homeostasis (select all that apply)?

Group of answer choices

Body Temperature

Blood Pressure

Skin pigments

Blood Composition

Blood Volume

Digestive enzymes

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Question 10

Placebos are used in which of the following?

Group of answer choices

Independent variable groups

Test groups

Control groups

Dependent variable groups

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Question 11

A hypothesis cannot be formed without a/an

Group of answer choices

observation

conclusion

theory

experiment

data

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Question 12

In an experiment, what is the variable that is measured?

Group of answer choices

Placebo

Dependent

Independent

Control

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Question 13

Which of the following aremolecules?  Select allthat apply.

Group of answer choices

H2O

NaCl

N2

Mg

CO2

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Question 14

Which of the following arecompounds?  Select allthat apply.

Group of answer choices

N2

CO2

NaCl

H2O

Mg

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Question 15

Which of the following are ions?  Selectall that apply.

Group of answer choices

C

Cl-

K+

Mg

Na

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Question 16

Match the different types of bonds with their example

Group of answer choices

bond formed between two water molecules

      [ Choose ]           hydrogen bond / ionic bond / covalentbond      

bond formed between K+ and Cl-

      [ Choose ]           hydrogen bond / ionic bond        /covalent bond     

bond formed by sharing electrons

      [ Choose ]           hydrogen bond           ionic bond           covalent bond     

bond formed between C and H in methane

      [ Choose ]           hydrogen bond           ionic bond           covalent bond     

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Question 17

The number of electrons in the valance shell determines thereactivity of an atom.

Group of answer choices

True

False

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Question 18

In this equation: 6 CO₂ + 6 H₂0 --->  C₆H₁₂O₆  +  6O₂, name the reactants:

Group of answer choices

H2O

C6H12O6

C6H12O6 and O2

CO2 and H2O

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Question 19

A sulfur atom has 16 electrons. How many electrons are in itsvalence shell?

Group of answer choices

16

2

8

6

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Question 20

Match the biochemical building blocks with their role in thecell.

Group of answer choices

Proteins

      [ Choose ]           form membranes / direct cellular activityand synthesis of all cellular proteins. / form internal support andact as enzymes / provide energy and form specialized compounds     

Nucleic acids

      [ Choose ]           form membranes / direct cellular activityand synthesis of all cellular proteins. / form internal support andact as enzymes / provide energy and form specialized compounds     

Carbohydrates

      [ Choose ]           form membranes / direct cellular activityand synthesis of all cellular proteins. / form internal support andact as enzymes / provide energy and form specialized compounds     

Lipids

      [ Choose ]           form membranes / direct cellular activityand synthesis of all cellular proteins. / form internal support andact as enzymes / provide energy and form specialized compounds     

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Question 21

Biological molecules are polymers that are formed when ______are joined by a ___________reaction.

Group of answer choices

Subunits, reduction

Monomers, hydrolysis

Monomers, dehydration synthesis

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Question 22

Quaternary structure occurs when a protein has

Group of answer choices

Folding and twisting of the secondary structure

More than one polypeptide

Pleated sheets

A sequence of amino acids

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Question 23

What type of reaction is represented in the diagram below?

Group of answer choices

hydrolysis

dehydration synthesis

anabolic

enzymatic

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Question 24

What molecule is represented by the “?” in the diagrambelow:

Group of answer choices

ATP

alcohol

water

enzymes

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Question 25

The diagram below represents

Group of answer choices

an amino acid

water

monomers

a polymer

glucose

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Question 26

Examples of the diagram below include (select all thatapply)

Group of answer choices

starch

amino acids

proteins

fatty acids

glucose

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Question 27

The diagram below represents

Group of answer choices

proteins

water

RNA

a polymer

monomers

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Question 28

Examples of the diagram below include (select all thatapply)

Group of answer choices

glucose

protein

amino acids

fatty acids

starch