QUESTION: 33

An autotroph is an organism that can make its own food. A heterotroph, an organism that is unable to make its food, relies on other living things for food and energy.
Which organism listed below could be classified as an autotroph?

bird
frog
deer
snake
tree

Answer(s): E

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QUESTION: 34

Blood typing is essentially a chemical reaction that provides data so that blood may be safely transfused from one person to another. The basic objective is to avoid "clumping" that could occur in the recipient when the wrong blood type is received. These "clumps" of red blood cells could block arteries or veins affecting the blood flow to critical body organs, like the heart or the brain.
Exhibit:

Based on the chart and the information, which blood type will not form clumps with either Anti-A reagent serum or the Anti-B reagent serum?

Type A
Type B
Type AB
Types A and B
Type O

Answer(s): E

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QUESTION: 35

Exhibit:

Profiles (side views) can be used to tell the geologic changes in mountain ranges.
Which characteristic of the three profiles shown at the left is most useful in arranging them according to age?

the number of valleys in the mountains
the height of the peaks
the mineral content of the rock in the mountains
the number of streams in the mountains
the width of the base of the mountains

Answer(s): B

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QUESTION: 36

Making bread involves a chemical reaction. A chemical reaction involves starting materials (the reactants) and the substances produced (the products).
Which material is a product of this chemical reaction?

yeast
sugar
carbon dioxide
water
starch

Answer(s): C

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