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2024 BIO 1108 TEST 1 EXAM WITH CORRECT ANSWERS
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2024 BIO 1108 TEST 1 EXAM WITH CORRECT ANSWERS
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2024 BIO 1108 TEST 1 EXAMWITH CORRECT ANSWERS
What is the relationship between seeds produced per parent (fecundity) and
per capita seedling survivorship?
-downward slope
-down parabola
-upward slope
-straight line - CORRECT ANSWERS-downward slope
Which one of these is not a component of the Mount Saint Helens biological
community pre-eruption?
-The pocket gophers that burrowed underground mixing soil layers and
adding a diversity of habitats for amphibians
-The woodpeckers (birds) that eat the pine seeds from the alpine seeds from
the alpine forests
-The black bears that hibernate in large hollow logs
-The nitrogen content of the soil
-The decay fungi that break down and decompose the fallen trees - CORRECT
ANSWERS-The nitrogen content of the soil
Which species interactions represent (+,-) interactions between species
taking the order of those designations into considerations (i.e. +/- is not the
same as -/+)
[This is an all or nothing multiple select question.]
-Herbivory
-Facilitation
-Commensalism
-Altruism
-Predation
-Symbiosis
-Parasitism - CORRECT ANSWERS--Herbivory
-Predation
-Parasitism
Which of these is NOT a place where primary succession will take place?
, -The granite outcrop on the top of Yonah Mountain in Georgia
-The climbing wall of El Capitan in Yosemite National Park
-Mount St. Helens pumice plain
-A newly cooled lava field on The Big Island of Hawaii
-The Toys R Us parking lot
-Rock wall in a pasture in England - CORRECT ANSWERS-Mount St. Helens
pumice plain
This last year wildlife biologists in Kenya have observed a new trait in
gazelle. Some gazelle are being born with extra long legs which allows them
to run fast enough to avoid all predation and survive up to 20 years (gazelle
lifespan is usually between 12 and 15 years). However, the offspring of these
long-legged gazelle are sterile and are unable to pass on their genes.
As a result, this long-legged mutation ______________ the fitness of long-
legged individuals.
Look at the last slide of Friday's class for the definition of fitness.
-increases
-decreases
-has no effect on - CORRECT ANSWERS-decreases
A plant that lives in a very dry place where suitable conditions for
germination happen infrequently would most likely have evolved to have a
_________ seed coat and a ___________ cotyledon.
(germination is when a seed starts to sprout)
-thin : small
-thick : small
-thin : large
-thick : large - CORRECT ANSWERS-thick : large
Which of these statements are TRUE regarding the Mount St Helens
landscape following the eruption of 1980? [Select all that apply]
-In all affected areas, no organisms above ground survived the blast.
-The pumice plain is a small portion of the affected landscape.
-The southern slopes of Mount St Helens were impacted very little by the
eruption.
-The tephra deposited by the volcano is nutrient rich.
-The pumice plain was devoid of life immediately following the eruption. -
CORRECT ANSWERS--The pumice plain is a small portion of the affected
landscape.
-The southern slopes of Mount St Helens were impacted very little by the
eruption.
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