Question 1

Question

Which of these describes diffusion?

a
The net movement of any type of molecule from a region of higher concentration to a region of lower concentration
b
The net movement of any type of molecule from a region of lower concentration to a region of higher concentration
c
The active transport of particles out of a cell
d
The active transport of particles into a cell
Question 2
Use the diagram below to answer the question.

Image

The diagram shows a beaker of water and molecules of red dye at the beginning of an experiment (Time 1) and the same beaker of water and molecules of red dye after 30 minutes (Time 2). Which of the following best explains what happened?

a
Molecules of water moved by active transport from a higher concentration to a lower concentration.
b
Molecules of red dye moved by active transport from a higher concentration to a lower concentration.
c
Molecules of red dye moved by diffusion from a higher concentration to a lower concentration.
d
Molecules of water moved by osmosis from a lower concentration to a higher concentration.
Question 3
Researchers conducted a study concerning cellular transport in animal cells affected by mitochondrial disease. The disease affects an organism's ability to produce adenosine triphosphate (ATP). During their study, which method of cellular transport still functioned in the affected animal cells?

a
Simple diffusion
b
Pinocytosis
c
Active transport
d
Phagocytosis
Question 4
Which fact is the basis for using the fossil record as evidence of evolution?

FossilLayers.PNG

a
There are fossils of all life forms to be found in rock layers
b
Fossils have been shown to provide a complete record of human evolution
c
In rock layers, the older fossils are found in the deeper layers
d
All fossils were formed at the same time
Question 5
A lizard and a bat have similar forelimbs which better adapt to their different environment, but, they are used in different ways. This is evidence that supports the theory of evolution by means of _____.

a
artificial selection
b
analogy
c
homology
d
acquired characteristic
Question 6
What is the role of genes in evolution?

a
Only traits that are controlled by genes can be acted on by natural selection.
b
Parents with recessive genes die from overproduction.
c
Only recessive genes can be acted on by natural selection.
d
The genes of most surviving parents have only dominant alleles.
Question 7
Review the three types of polygenic selection graphs.

Which type of selection would most likely lead to a shift toward darker fur in a rabbit population.

a
acquired variation
b
directional selection
c
disruptive selection
d
stabilizing selection
Question 8
Sewall Wright, an American geneticist who conducted most of his research in the mid-twentieth century, researched the link between population genetics and evolution. Wright's research on the inheritance of coat color in certain species of mammals led to which correct conclusion?

a
Populations develop helpful adaptations because of genetic drift and harmful adaptations from natural selection.
b
Populations develop helpful adaptations because of the interaction between genetic drift and natural selection.
c
Populations cannot develop helpful adaptations because of the interaction between genetic drift and natural selection.
d
Populations do not develop helpful or harmful adaptations from genetic drift or natural selection.
Question 9
The genetic equilibrium of a population can be disturbed (changed, leading to evolution) by ALL the following EXCEPT

The Hardy-Weinberg Model – Shreyan Jain's AP Biology Blog

a
large population size.
b
mutations.
c
nonrandom mating.
d
movement into and out of a population.
Question 10
In recent years, "SuperBugs" (bacteria causing human infections that are not treatable by regular antibiotics) are becoming more and more common. How could natural selection explain this?

a
We have always had the same amount of superbugs; modern media just discusses them more.
b
Superbugs survive antibiotics by having a heritable adaptation.
c
Antibiotics directly cause bacteria to become superbugs, which are an example of mutations leading to speciation of these superbugs.
d
There is no reliable data on the origin of super bugs.

Answer 1

Here are the answers to your questions:

Question 1:
a The net movement of any type of molecule from a region of higher concentration to a region of lower concentration.

Question 2:
c Molecules of red dye moved by diffusion from a higher concentration to a lower concentration.

Question 3:
a Simple diffusion

Question 4:
c In rock layers, the older fossils are found in the deeper layers.

Question 5:
c homology

Question 6:
a Only traits that are controlled by genes can be acted on by natural selection.

Question 7:
b directional selection

Question 8:
b Populations develop helpful adaptations because of the interaction between genetic drift and natural selection.

Question 9:
a large population size.

Question 10:
b Superbugs survive antibiotics by having a heritable adaptation.

Feel free to ask for further clarifications or any additional questions!