1) a population of organisms that reproduce asexually without gametes from other
individuals will display more variation than a population that reproduces sexually.
2) analogous structures serve the same function, are similarly constructed and are
inherited from a common ancestor.
3) during habitat preservation landscape preservation is often intended for one
particular organism but may benefit others.
4) mitochondria are thought to be derived from aerobic bacteria that became part of the
eukaryotic cell through endosymbiosis.
5) the capacity to learn is inherited and allows the animal to change its behavioral
patterns in response to changes in the environment.
6) forests and other ecosystems may decrease the chances of flooding in an area due to
their water-holding capacity.
7) oogenesis always involves an equal division of cell contents in the formation of an
egg and polar bodies.
8) chemosynthetic producers obtain energy by the oxidation of ammonia, nitrites, and
sulfides, using this energy to make organic compounds.
9) waxes consist of a glycerol bonded to three long-chain fatty acids.
10) the oldest mammals were large, dinosaur-like creatures that flourished over 600
million years ago.
11) dna barcoding is a guaranteed method of determining an organisms taxonomic
group.
12) living things must obey the laws of chemistry and physics
13) unique features of animals include ingesting their food, having a cell wall and the
ability to move at some point in their life cycle.
14) a diet that is lacking in certain minerals such as iron can lead to osteoporosis.
15) fireflies use pheromones to communicate with each other at night because it
increases the chance the receiver will get the message.
16) an example of an animal with an incomplete gut is a
a. squid.
b. earthworm.
c. planarian.
d. human.
e. grasshopper.
incorrect
17) when you step on a cockroach or smash a fly, the blood appears colorless because
a. the blood is enclosed in a closed circulatory system.
b. the blood is actually a colorless hemolymph that carries oxygen on molecules other
than reddish hemoglobin.
c. there are no cells in the hemolymph.
d. it does not contain hemoglobin or any other respiratory pigment.
18) darwin observed that
a. members of a population vary in their functional, physical and behavioral
characteristics.
b. there is a constant struggle for survival of organisms.
c. organisms in a normal population differ in reproductive success.
d. all of the choices are correct.
e. none of the choices are correct.
19) which structure does blood pass through immediately before it enters the left
ventricle?
a. vena cava
b. aorta
c. atrioventricular valve
d. semilunar valve
e. left atrium
20) an idea that could be traced back to plato is that
a. hybrids showed that species could be changed with time.
b. variation is due to imperfections in copies of some perfect ideal form.
c. artificial selection of animals by humans proves that evolution can occur.
d. acquired characteristics could be passed from parents to offspring.
e. worldwide catastrophes caused extinction, followed by creation of new species.
21) fossils from the paleozoic are plentiful because
a. mammals greatly diversified during this time.
b. multicellular organisms first evolved during this time.
c. this is the time period most studied.
d. hard body parts evolved in plants and animals.
22) _________ is a mixotrophic protozoan that is able to combine autotrophic and
heterotrophic nutritional modes.
a. euglena
b. plasmodium
c. amoeba
d. giardia
23) pasteur chose the latin root word for “virus” meaning
a. extremely small.
b. non-living.
c. poison.
d. contagious.
e. particle.
24) over 1 million of these microscopic units produce urine in the kidneys.
a. nephron
b. glomerular (bowman’s) capsule
c. glomerulus
d. alveoli
e. microvilli
25) as the producer biodiversity doubles what will happen to the rate of photosynthesis?
a. it will double.
b. it will decrease by 50%.
c. it will increase by .1 – .2.
d. it will increase by .5 – .8.
e. it will decrease by .2 – .4.
26) glaucoma is caused by an increase in intraocular pressure due to inadequate
drainage of the
a. vitreous humor.
b. aqueous humor.
c. venous blood.
d. cochlear duct.
e. ampulla.
27) during which stage of eudicot development does the embryo continue to enlarge
and elongate and take on a torpedo shape?
a. stage 1
b. stage 2
c. stage 3
d. stage 4
e. stage 5
28) the function of mitosis is:
a. growth of the organism and tissue repair.
b. to ensure that each new cell receives a complete set of genetic information.
c. asexual reproduction in some species.
d. all of the choices are correct.
29) maturation of t cells occurs in the
a. bone marrow.
b. lymph nodes.
c. spleen.
d. thymus.
e. peyer’s patches.
30) the anther and filament are parts of the
a. pistil.
b. sepal.
c. receptacle.
d. petal.
e. stamen.
31) which substance is normally found in the glomerular filtrate but not in urine?
a. glucose
b. salts
c. water
d. uric acid
e. all are components of glomerular filtrate and urine.
32) which of these is a bivalve?
a. slug
b. octopus
c. earthworm
d. snail
e. oyster
33) scientists have created genetically modified organisms (gmos) by isolating and then
transferring the jellyfish gene for green fluorescent protein into pigs, bacteria, plants
and mice. the result was bioluminescent organisms! these experiments demonstrate that:
a. jellyfish genes may be transferred into other aquatic ectotherms, but not mammals
b. genes have no difficulty crossing the species barrier
c. animal genes will not function if transferred into animals
d. genes can only be transferred to other organisms within the same species