BIO Exam 3

Secondary succession can occur

after a fire

Structure of communities may be affected by

all of these

What is the function of adipose tissue?

all of these

What are the primary producers associated with hydrothermal vents?

archaea

Some ___ have enzymes to break the bonds of atmospheric nitrogen and use it for the metabolism of proteins and other nitrogen containing molecules.

bacteria

Stem cells in bone marrow will develop into

blood cells

Which of the following is a major determinant in which plant species becomes a pioneer species in a primary succession event?

chance events

Once the stored ATP is consumed, what substance will muscles turn to for energy?

creatine phosphate

Nematocysts are

defensive cells.

Red blood cells

do not have a nucleus when they enter circulation.

In contrast to predation, a parasite usually

does not kill the animal on which, or in which, it lives.

Which of the following is the most inclusive?

ecosystem

Concerning species survival, which status is of greatest concern?

endangered

What type of gland releases its product onto an internal or external surface?

exocrine

Which human bone is the largest?

femur

Sponges are

filter feeders

Birds and mammals share which of the following characteristics?

four-chambered heart

Which of the following is a North American biome that has mostly disappeared because of extensive farming of wheat and corn?

grasslands

An aquifer is most closely related to

groundwater.

Which of the following is the greatest threat to most species survival?

habitat loss

In a natural community, the primary consumers are

herivores

The SA node

is located in the right atrium.

In a four-chambered, in which chamber is the strongest contraction?

left ventricle

What are the projections on epithelial tissue that increase the surface area?

microvilli

A relationship between two species in which both species benefit is known as

mutualism

The bacterium, E.coli, lives in the large intestines of mammals and feeds on undigested food material. E.coli helps to synthesize vitamin K that is essential for mammalian blood clotting. The relationship between E.coli and mammals is a

mutualism.

The main components of the thick filaments of a sarcomere are ___ and the main components of the thin filaments of a sarcomere are ___.

myosin---actin

When pH levels in the blood get too low, chemical buffers are released that return blood pH back to normal levels. This is an example of ___.

negative feedback

Most of the water vapor in the earth's atmosphere comes from evaporation from

oceans

A tissue is defined as

one or more cell types that perform a common task.

The crash of the Atlantic codfish is the result of

overharvesting.

This animal has the fewest genes, the simplest body plan, and only four cell types. It is a

planarian.

The number of individuals of the same species in some specified area or volume of habitat is the

population density.

A group of organisms of the same species that live in a specific location is called a(n)

population.

Which of the following species is NOT threatened or endangered?

red imported fire ants

Amphibians are completely dependent on an aquatic environment for

reproduction.

Two species of closely related squirrels both feed on acorns produced by oak trees. One species feed exclusively near the top of the tree and the other feeds exclusively towards the bottom of the tree. This is an example of

resource partitioning.

Which of the following is a type of epithelial tissue that is one layer thick?

simple

Which tissue type attaches to bones and is responsible for producing body movements?

skeletal muscle

In human lungs, where does gas exchange occur?

the alveoli

The vertebral column develops from

the notochord.

Embryonic stem cells are pluripotent. What does this mean?

they can give rise to any of the body cell types

Which biome has a layered structure that will contain many vines and epiphytes?

tropical rainforest

What will the ozone layer absorb?

ultraviolet radiation

The most complete fossil skeleton of an australopith is that of

Australopithecus afarensis.

Which of the following is the earliest known reptile with bird-like feathers?

Sinosauropteryx prima.

Which of the following is NOT characteristic of parasites?

They inflict serious injury and kill their hosts.

Pulmonary veins carry

a combination of two of these.

The niche of an earthworm in an ecosystem is

a detritivore.

The first plant to colonize the plains of Mt St Helens after this volcano erupted in 1980 was a prairie lupine. The prairie lupine is an example of

a pioneer species.