1) when a round fruit plant is crossed with a long fruit plant their offspring are oval.
what is the best explanation for this scenario?
a. pleiotropic inheritance
b. polygenic inheritance
c. incomplete dominance
d. x-linked inheritance
2) tropical rainforests have many species that are found in great abundance. a study in
the brazilian rainforest found 487 tree species growing on a single hectare (2.5 acres).
in the us and canada together, there are only 700 species of trees on millions of acres. in
one park in a peruvian rainforest, scientists have identified over 1300 species of
butterflies, while in all of europe there are approximately 320 butterfly species. these
findings suggest that:
a. rainforests are biologically less diverse than other ecosystems on earth.
b. the number of tree species and butterfly species are about the same throughout the
ecosystems of the world.
c. rainforests are biologically more diverse than other ecosystems.
d. as many as 400 species a day are lost due to human activity.
e. rainforests do not have any type of value to humans.
incorrect
3) darwin’s observation that there were patagonian hares but no rabbits in south america
would be considered ______________ evidence.
a. anatomical
b. biochemical
c. fossil
d. biogeographical
4) how do insects overcome the inefficiency of their hemolymph flow in taking oxygen
to their tissues?
a. their bodies are tubular, thus increasing the body surface area where gaseous
exchange takes place.
b. their respiratory system consists of tracheae, which are tiny air tubes that take oxygen
directly to the cells.
c. a countercurrent mechanism ensures that the maximum amount of oxygen is
absorbed from the environment.
d. insects have highly vascularized extensions of their body walls, called parapodia.
5) which of the following practices is believed to help the most with slowing the
damage accumulation aging process?
a. a diet that consists of dark green vegetables, nuts and red wine.
b. a diet that has a high level of cholesterol.
c. a moderate exercise program.
d. all of these will help slow the aging process.
e. none of these will help slow the aging process.
6) organic molecules are those that contain at least
a. carbon.
b. carbon and oxygen.
c. carbon and hydrogen.
d. carbon, oxygen, and hydrogen.
7) which disease is mismatched with the incorrect causative agent?
a. fish kills – dinoflagellate
b. fish ick – a ciliate
c. malaria – an amebozoan
d. african sleeping sickness – a trypanosome
8) name one of the smallest, if not the smallest, animals that are sometimes referred to
as “resurrection animalcules.”
a. planaria
b. parasitic mites
c. fruit flies
d. parasitic
e. rotifers
9) lamarck’s ideas on evolution were adopted by some russian scientists, including
michurin and lysenko in stalinist russia. their textbooks printed lysenko’s assertions that
a wheat plant could be made cold-hardy by conditioning in cold storage, or that
workmen who develop strong muscles would produce children who were stronger.
which of the major premises of evolution by natural selection was violated?
a. the organisms vary in traits.
b. natural selection acts on variations that are already available in the population’s gene
pool.
c. more young are born than can survive. there will always be more demand than
resources available.
d. some individuals are better adapted to the environment.
10) which of the following piece of fossil evidence was not observed during darwin’s
journey aboard the beagle?
a. fossilized remains of the glyptodont
b. fossilized remains of a giant ground sloth
c. 13 different species of finches on the galapagos islands
d. fossilized marine shells in the cliffs of the andes mountains
incorrect
11) the most common source of genetic variation in sexually reproducing organisms is
a. mutation.
b. recombination of alleles through meiosis and fertilization.
c. duplication of chromosomes.
d. duplication of genes.
12) the activities of macrophages
a. are part of the nonspecific response against disease.
b. stimulate lymphocytes to carry on specific immunity.
c. stimulate phagocytic neutrophils.
d. do none of these things.
e. are part of the nonspecific response against disease and stimulate phagocytic
neutrophils.
13) which statement is not true about bacterial anatomy?
a. the cell wall is located outside of the plasma membrane.
b. the glycocalyx sheath is located inside the cell wall.
c. there may be small rings of accessory dna called plasmids.
d. bacteria may have fimbriae that help attach the bacteria to other structures.
incorrect