Question 1

Which of the following statements about protists is INCORRECT?

Accepted Answer

Protists are a simple monophyletic group according to the current supergroup classification.

Question 2

Which of the following is NOT a symbiotic relationship involving fungi?

Accepted Answer

Corals & dinoflagellates

Question 3

Sporangia are structures found in various organisms. What do they generally produce?

Accepted Answer

Spores

Question 4

Which of the following is NOT a typical bacterial shape?

Accepted Answer

Streptum

Question 5

After performing a Gram stain, bacterial cells appear purple under the microscope. What does this indicate?

Accepted Answer

They are Gram-positive.

Question 6

Which molecule is the main component of bacterial cell walls and the basis for Gram staining?

Accepted Answer

Peptidoglycan

Question 7

Lichens are a symbiotic association between a fungus and which of the following?

Accepted Answer

Both a cyanobacterium and a green alga

Question 8

Which of the following is NOT a correct pairing of a fungus and the spores it produces?

Accepted Answer

AM fungus - mycorrispores

Question 9

Which structures provide motility for protists?

Accepted Answer

Flagella, pseudopodia, and cilia

Question 10

Traits that are similar due to common ancestry are called:

Accepted Answer

Homologous

Question 11

Which of the following provides an example of absolute time in the fossil record?

Accepted Answer

The oldest fossils are about 3.5 billion years old.

Question 12

Which of the following is the correct formula for Hardy-Weinberg equilibrium?

Accepted Answer

$$p^2 + 2pq$$ + $$q^2 = 1$

Question 13

You sample a population and find that the frequency of the homozygous dominant genotype (AA) is 16%. What is the frequency of the 'a' allele? Use Hardy-Weinberg equilibrium.

Accepted Answer

0.4

Question 14

Charles Darwin proposed which mechanism for evolutionary change?

Accepted Answer

Natural selection

Question 15

The founder effect and bottleneck effect are both examples of which evolutionary mechanism?

Accepted Answer

Genetic drift

Question 16

When different species adapt to various parts of the environment, dividing available habitat, this is called:

Accepted Answer

Resource partitioning

Question 17

On Caribbean islands, why are lizards on the same island generally more closely related to each other than to similar-looking lizards from other islands?

Accepted Answer

Yes, because geographic proximity leads to closer evolutionary relationships.

Question 18

Through molecular evidence (DNA), the lizards of Hispaniola were found to be more closely related based on which factor?

Accepted Answer

Location/island

Question 19

If two anole species (twig and trunk-crown) live in the same trees but have different colored dewlaps, what is the most likely evolutionary explanation?

Accepted Answer

As a reproductive barrier between the two species

Question 20

Anole species with similar body types and habitats are called:

Accepted Answer

Ecomorphs

Biology Lab Midterm Study Guide – Step-by-Step Guidance

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