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Biol 1104- MN Natural History Final Exam Study Guide
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Biol 1104- MN Natural History Final Exam Study Guide
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Biol 1104- MN Natural History Final Exam Study Guide7 different deciduous forest types Correct Answer 1. Maple-
Basswood(both dominant trees); late successional, wind
pollinated
2. Aspen(trembling aspen); Early-successional, wind pollinated
(A-sexual)
3. Aspen-Brich(Trembling aspen & paper birch); Sprout from
the roots, Early successional
4. Paper Birch (paper birch); each tree has both male and female
flowers, pollination occurs through wind, early successional
5. Oak (oak, aspen, paper birch); wind pollinated, late/mid
successional
6. Northern Hardwood (Sugar maple, basswood, yellow birch);
wind pollinated, late successional
7. Lowland (American elm, black ash) Late, successional
a-horizon development Correct Answer
abiotic Correct Answer nonliving, wind, weather, climate,
humidity, etc
acquired characteristics Correct Answer acquired
characteristics are not passed down genetically;(athleticism
cannot be passed down from father to son)
aphotic zone (profundal community) Correct Answer cold
temperatures, minimal current, low light, no plants, animals and
detrivores, fish
,atmosphere composition Correct Answer nitrogen (78%),
Oxygen(21%), other gases (1%)
atmosphere layers Correct Answer troposphere, stratosphere,
mesosphere, thermosphere
beaver ecosystem engineers Correct Answer beavers transform
rivers and streams into lakes or ponds creating niches for
numerous species and transforming the landscape, create and
maintain the habitat they need to survive
biological perspective Correct Answer paleoecology, study of
fossils to examine historic changes in plants in animals
dendroecology, study of tree rings (tree growth) to examine
historic exchanges
biomanipulation Correct Answer increasing or decreasing
populations of certain organisms, common in MN lakes, stoking
of game fish, show how increasing top predator will affect levels
below
bitotic Correct Answer biotic- living species, organisms
bony fish characteristics Correct Answer first group to have
internal skeletons reinforced with calcium, swim bladder (to
maintain buoyancy,) operculum (circulates water over the gills),
lateral line (sensory perception)
-more bony fish than any other group of vertebrates
carps impact Correct Answer carp are one of the most
damaging aquatic invasive species due to its wide distribution
, and severe impacts in shallow lakes and wetlands, their feeding
disrupts shallowly rooted plants muddying the water, they
release phosphorus that increases algae abundance
catfish family Correct Answer catfish and bullheads; eutrophic
and hypereutrophic lakes
characteristics of bryophytes, ferns gymnosperms, angiosperms
Correct Answer Bryophytes (mosses)- Need water (H2O) for
reproduction, spores do not have a protective coat to withstand
dry conditions, waxy outerlayer helps to retain moisture
Ferns- Seedless vascular plants, reproduce using spores,
vascular system (Phloem and Xylem)
Gymnosperms (conifers)- First plants to evolve seeds contained
within cones (key adaptation that allowed plants to spread on
land)
Angiosperms- Flowering plants
chordate characteristics Correct Answer hollow nerve chord
(nervous system), notochord (flexible chord that runs along the
body of the animal), pharyngeal slits (openings along base/side
of head), tails
climate change impact Correct Answer global warming, change
in rainfall patterns, increased frequency of violent storms, wet
areas will get wetter, dry areas will get drier, MN will heat up
common chordate groups Correct Answer Chordates- Hollow
nerve chord, pharyngeal slits
Vertebrates- Have an endoskeleton with skull and backbone
Tetrapods- Have four limbs
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