1) which of the following features would have helped early plant ancestors evolve to a
terrestrial existence?
a. cellulose in the cell walls
b. apical cells
c. plasmodesmata
d. placenta
e. all of these features would have helped
2) what are the end products of photosynthesis?
a. glucose & oxygen
b. glucose & atp
c. carbon dioxide & energy
d. carbon dioxide & water
3) hippopotamuses perform territorial displays that include mouth opening. this is
_____ communication.
a. auditory
b. visual
c. chemical
d. tactile
4) which association is not correct?
a. emphysema – chronic, incurable lung disorder in which the alveoli distend and the
surface for gas exchange is reduced
b. lung cancer – symptoms include coughing, shortness of breath and blood in the
sputum
c. pulmonary fibrosis – fibrous connective tissue builds up in the lungs preventing them
from inflating properly
d. cystic fibrosis – infectious disease that is caused by the bacterium m. tuberculosis
e. pneumonia – is a viral, bacterial or fungal infection that cause the bronchi to fill with
pus and fluid
5) a coenzyme is
a. an ionic cofactor that interacts with an enzyme to allow it to work.
b. a protein cofactor that interacts with an enzyme to allow it to work.
c. a nonprotein organic cofactor that interacts with an enzyme to allow it to work.
d. an ionic cofactor that interacts with an enzyme to inhibit it.
e. a protein cofactor that interacts with an enzyme to inhibit it.
6) many homeowners often attempt to transplant bushes and small trees but with limited
success. which statement best describes why they have difficulties with the transplant
process?
a. most homeowners pull the bush out without clearing enough of the soil from around
the root system. this causes the lateral roots and root hairs to be torn off.
b. most homeowners pull the bush out without clearing enough of the soil from around
the root system. this causes the branching roots to be torn off.
c. most homeowners cut the bush off at the base and don’t have any of the root system
available.
d. most homeowners remove too many of the leaves, not allowing the plant to
efficiently run photosynthesis.
7) during the course of fish evolution two of the gill slits slowly evolved into
____________.
a. gills
b. the pectoral fins
c. the swim bladder
d. the jaw
e. none of the above
8) adaptive radiation occurs when organisms
a. exploit a variety of new environments.
b. remain in the same, stable environment.
c. undergo autoploidy and alloploidy.
d. occupy the same habitat as their ancestral species.
9) fish sperm is composed mostly of the male fish’s dna. if we tested a sample
chemically, we should find relatively high amounts of
a. nitrogenous bases, sugar, and phosphate groups.
b. phospholipids and steroids.
c. amino acids and unsaturated fats.
d. triglycerides and atp.
e. globular proteins and stored fats.
10) which of the following associations between structure and function is not correct?
a. axons – conduct signals away from the cell body
b. sensory neuron – take nerve impulses from the cns to muscles or glands
c. cell body – contains nucleus and organelles
d. dendrites – receive signals and transmit them to the cell body
e. interneuron – convey nerve impulses between various parts of the cns
11) which statement most accurately describes the colonial flagellate hypothesis?
a. animals are descended from an ancestor that resembles a spherical colony of
flagellated cells.
b. both animals and fungiare descended from an ancestor that resembles a spherical
colony of flagellated cells.
c. all animals are descended from an ancestor that resembles a single celled organism
that was a flagellated cell.
d. none of these describe the colonial flagellate hypothesis.
12) human blood has a ph of about 7.4. this is
a. neutral.
b. very acidic.
c. slightly acidic.
d. slightly basic.