the largest part of the biosphere
what are aquatic biomes/oceans?
the two major climate factors that dictate the vegetation found on the landscape
options: temperature, latitude, precipitation, soil type, and solar angle
what are temperature and precipitation?
TEST QUESTION
which of the following subdivisions of the autonomic nervous system would be most important to a zebra fleeing from a lion?
a. sympathetic
b. entire nervous system
c. parasympathetic
d. somatic
e. both parasympathetic and entire nervous system
a.
the three types of muscle
what are skeletal, smooth, and cardiac muscle?
TEST QUESTION
you place a growing seedling in an east-facing window. on which side of the plant will active auxin accumulate?
a. north
b. south
c. west
d. east
e. equally distributed
c. west
the communities or organisms on the seafloor that eat dead organic material, and the term for that dead organic material (two answers)
what are benthos and detritus?
the area of integration between biomes
what is an ecotone?
name six of the eight major neurotransmitters
what are acetylcholine, norepinephrine, dopamine, serotonin, endorphins, substance p, glutamate, and gaba?
TEST QUESTION
in cardiac muscle, what is the area where calcium ions move freely between adjacent cells called?
what are gap junctions?
TEST QUESTION
the hormone that causes green bananas to ripen when placed in a bag with a ripe apple
what is ethylene?
a deep, nutrient poor, oxygen rich lake
a shallow, nutrient rich, oxygen poor lake
(two answers)
what are oligotrophic and eutrophic lakes?
biome with hot dry summer and mild rainy winters, wildfires in the summer, drought resistant plants, nutrient poor soil, and a 12 month growing season
what is the chaparral biome?
TEST QUESTION
which of the following is not a function of the parasympathetic division of the nervous sustem?
a. constriction of the bronchii in the lungs
b. constriction of the pupil of the eye
c. slowing of heart rate
d. stimulation of the adrenal medulla
e. stimulation of activities of the stomach and intestines
d.
the two myofilaments
what are actin (thin) & myosin (thick)?
TEST QUESTION
which of the following statements is acceptable?
a. a short day plant will flower if i has over half a day of darkness interrupted by a short flash of light
b. a long night plan will flower if it has over half a day of darkness interrupted by a short flash of light
c. a long day plant will flower if it has over a half day of darkness interrupted by a short flash of light
d. a long day plant will flower if it has over a half day of uninterrupted darkness
e. a short day plant will flower if day length is less than 16 hours
c. a long day plant will flower if it has over a half day of darkness interrupted by a short flash of light
for lakes: the zone of shallow, well-lit water close to shore and the zone of open surface water (two answers)
what are the littoral and limnetic zones?
TEST QUESTION
below are parameters for five biomes. which biome is characterized by warm temps year round and a dry season that can last up to 9 months?
Choice. (typical plant/plant descriptor | typical animal)
A. forests vertically layered | animal diversity is higher than other terrestrial environs
B. low, widely scattered vegetation | many animal species are nocturnal
C. scattered trees found at different densities | large, plant-eating mammals
D. Dominated by cone-bearing trees | diverse mammals
E. forests are vertically stratified | mammals hibernate in winter
C.
TEST QUESTION
the velocity of action potential conduction across a nerve axon is increased by the presence of the myelin sheath. in the PNS, the name of cell that myelinates the axon
what is a schwann cell?
the two bands of myofibrils
what are dark bands/ A bands & light bands/ I bands?
TEST QUESTION
which of the following statements about plant growth and development is NOT correct?
a. most plant hormones are transmitted through air
b. a nail hammered into the trunk of a tree will remain at the same height throughout the tree’s lifetime
c. when the tip of a shoot is plucked off, the plant will become bushier
d. plants bend towards light because cells on the dark side elongate in response to auxins
e. the biomass of a plant is derived primarily from CO2 in the air
a.
for oceans: the zone consisting of water, and the zone consisting of seafloor (two answers)
what are the pelagic and benthic zones
TEST QUESTION
mangroves tend to grow around the fringes of tropical estuaries and lagoons, as well as in intertidal regions of tropical coasts. two key problems for the survival of the mangrove in these areas are waterlogged sediment and increased salinity. below is the environment condition matched with an adaptation of the mangrove. which adaptations to the problems of waterlogged sediment or increased salt levels is FALSE?
Choice. (problem | adaptation)
A. water logged sediment | lenticels
B. increased salt levels | proportion of root/above ground biomass decreases
C. increased salt levels | high salinity tolerance level
D. waterlogged sediment | aerial roots
E. increased salt levels | sheds leaves
B.
TEST QUESTION
the location of the cell bodies of afferent/sensory nerves involved in somatic reflexes
options: dorsal root ganglion, ventral root ganglion, spinal nerve, grey matter of spinal cord
what is the dorsal root ganglion?
binds to actin and prevents myosin from sliding up the actin filament until it experiences a conformational change
what is tropomyosin?
TEST QUESTION
which of the following statements about apical meristems (abbreviated as AM) is FALSE?
a. AM are found in roots, shoots, and axillary buds
b. AM are protected by tissues made from differentiated cells produced by the meristem
c. the pattern of nodes is laid down by the shoot AM like the pattern of branch roots is laid down by the root AM
d. the root AM contains a region called the quiescent center
e. all AMs produce primary growth
c.