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Bio 150 Exam 1 Question and answers rated A+ 2024
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Bio 150 Exam 1 Question and answers rated A+ 2024
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Bio 150 Exam 1 Question and answersrated A+ (13 pgs)
Five major learning objectives: be able to relate these to scenarios or
examples, see the dung beetle example. - correct answer ✔1. Evolution
2. Structure and Function
3. Information flowing storage
4. Transformations of energy and matter
5. Systems
Evolution - correct answer ✔Population os organisms have changed through
both selective and non-selectiveprocesses
Structure and Function - correct answer ✔All living systems are made of
structural components which determine function (DNA, RNA)
Information flow and storage - correct answer ✔information and signals are
used within and among organisms to direct their functioning (central dogma,
DNA and RNA, proteins)
Transformation of energy and matter - correct answer ✔All living things
acquire,use, and release energy and matter for cellular and organismal
functioning. (Meiosis and Mitosis)
Systems - correct answer ✔Living systems are interconnected and interact
and influence each other on multiple levels (species intro and food chain)
Dung Beetle Example - correct answer ✔New Zealand had a large
population of sheep and therefore poop, with no dung beetles, using the info
, about environment of specific dung beetles, scientists released certain
species in New Zealand in the hopes of controlling the amount of sheep dung.
What questions do the mechanisms of diversification answer? - correct
answer ✔Why are threes many different species?
Why are there so many different animals?
3 major axis of diversification - correct answer ✔sexual selection
vicariance
trophic morphology
Sexual Selection - correct answer ✔type of natural selection that favors
individuals with traits that increase their ability to obtain/choose mates
- natural selection arising through preference by one sex for certain
characteristics in individuals of the other sex
Vicariance - correct answer ✔the physical splitting of a population into
smaller, isolated populations by a geographical barrier such as a mountain
range, river, resulting in a pair of closely related species
Trophic Morphology - correct answer ✔studies forms of organisms and how
form allows them to eat
- slipngjaw Wrasse: able to extend jaw in order to eat small fish
studies food relationships of different organisms in food chain
(Trophic level)
What is Ecology? - correct answer ✔The branch of biology that deals with
the relation of organisms to each other and to their physical surroundings.
- Emphasis on interaction
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