Bio final

What is NOT paired correctly?

C. Lungs - diaphragm (the diaphragm is a muscle that aids in breathing but is not part of the lungs).

Where are the bronchioles labeled?

Bronchioles are labeled in section B.

What is the respiratory surface of our bodies made of?

D. Alveoli.

How many oxygen molecules can one molecule of hemoglobin bind?

D. 4.

During which process does the change shown in the figure happen?

A. Exhalation.

What does the left ventricle do?

D. Pumps blood into the systemic circulation.

Where does the exchange of nutrients and gases happen?

C. Capillaries.

What is the internal pacemaker of the heart?

B. SA node.

When blood leaves the arterioles, it enters what?

D. Capillaries.

What do systemic veins carry?

C. Deoxygenated blood to the heart.

Bacteria reproduce by __________.

D. Binary fission.

The DPT vaccine protects against each of the following EXCEPT __________.

B. Tuberculosis.

Which of the following statements about viruses is correct?

D. Viruses can use RNA and DNA as their genetic material.

Which of the following is a specific immune response?

C. A B cell produces antibodies against bacterial toxins.

Which of the following is NOT associated with inflammation?

B. Vasoconstriction.

Antibodies are produced by __________.

D. B cells.

Hypersensitivity to harmless substances, which causes an immune reaction even though they are not pathogens, is called __________.

B. Allergy.

Which of the following cells kills abnormal cells by destroying their membrane?

C. Cytotoxic T cells.

The cell produced in this figure is a __________.

D. T cell.

Microbes __________.

B. Can be harmful or beneficial.

If you wanted to study evolution, you would need to find organisms that __________.

D. Varied among themselves.

Observing the fossil record on an island, you see a new species form. You have evidence of __________.

D. Macroevolution.

Scientists have observed that people who live in Africa have developed higher resistance to malaria. This is an example of __________.

A. Natural selection.

Which is an example of natural selection?

D. Lice evolve resistance to permethrin.

Which is the largest kind of grouping in the Linnaean system?

A. Kingdom.

Humans are classified most precisely with __________.

C. Hominins.

What connects all living organisms on a tree?

B. Common descent.

When head lice become resistant to chemicals used to treat them, it is because __________.

D. Natural selection has favored those passing on genes for resistance to their offspring.

The principle behind organisms sharing ancestors is called __________.

B. Common descent.

__________ derived similar ideas to those of Charles Darwin.

D. Wallace.

Which of the following is a characteristic of asexual reproduction?

D. No fertilization.

The dominant hormone during the first half of the menstrual cycle is

A. Estrogen.

The oviduct is labeled __________.

Label the oviduct appropriately (see figure).

The prostate gland is labeled __________.

Label the prostate gland appropriately (see figure).

Which of the following happens after ovulation?

C. Formation of corpus luteum.

Toxic stress can negatively impact:

D. All of the above.

Fertilization usually takes place in the __________.

D. Oviducts.

The translucent covering of the egg that the sperm has to bind to and penetrate is called __________.

C. Zona pellucida.

The fluid-filled sac surrounding the developing embryo and fetus is called __________.

B. Amnion.

The layer of the gastrula that gives rise to muscle and the skeleton is the __________.

A. Mesoderm.

Temperature variation is primarily due to __________.

B. Solar irradiance.

At the equator, __________.

B. Hot, humid air rises.

Where would you expect to see more precipitation?

C. On the western slopes of the Rocky Mountains.

Which biome is found closest to the equator?

B. Tropical forest.

Which biome has been mostly replaced with agricultural fields in the central parts of the North American continent?

C. Prairie.

Which biome would have the highest biomass per square mile?

B. Tropical forest.

Savannahs exposed to overgrazing by cattle can be converted to __________.

B. Desert.

You would expect to find primarily bottom-feeders, such as carp and catfish, and decomposers at the __________ of a river.

C. Mouth.

Which type of biome is sometimes referred to as nurseries of the sea because they support the young of many fish species?

B. Estuaries.

Bioaccumulation causes __________.

A. Toxic pollutants to become highly concentrated in consumers.