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BIOL 301 Midterm Verified Questions And Answers With Latest Updates 2024/2025
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BIOL 301 Midterm Verified Questions And Answers With Latest Updates 2024/2025 What pair of species would you expect to be commensalism? a. owls and oak trees b. osprey and herons c. coyotes and foxes d. algae and kelp ANS a. owls and oak trees Which type of interaction between species resu...

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  • October 15, 2024
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  • 2024/2025
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BIOL 301 Midterm Verified Questions And Answers
What pair of species would you expect to be commensalism?
a. owls and oak trees
b. osprey and herons
c. coyotes and foxes

d. algae and kelp ANS a. owls and oak trees


Which type of interaction between species results in positive outcomes for both species?
a. commensalism
b. mutualism
c. herbivory

d. heterotrophism ANS b. mutualism


A moose, a monarch butterfly, and a wolf are all examples of ...
a. autotrophs
b. producers
c. heterotrophs

d. detritivores ANS c. hterotrophs


Which is the best action if an experiment does not support a hypothesis?
a. create a mathematical model
b. revise the hypothesis.
c. test the hypothesis again

d. publish your results ANS b. revise the hypothesis


At what ecological level does evolution occur?
a. individual
b. population

,c. ecosystem

d. community ANS b. population


Which interaction is characterized by negative effects on the fitness of both species involved?
a. predation
b. herbivory
c. commensalism

d. competition ANS d. competition


Which ecological level would be of most interest to an ecologist studying adaptations?
a. ecosystem
b. population
c. individual

d. community ANS c. individual


The boundaries of communities are ...
a. difficult for species to cross.
b. flexible.
c. clear and distinct.

d. never overlapping. ANS b. flexible


To better understand what happens in an aquatic system (freshwater lake) when exposed to acid
deposition (acid rain), an ecologist would likely look at the lake from the
a. species level
b. community level.
c. population level

d. ecosystem level ANS d. ecosystem level


The range of biotic and abiotic conditions a species can tolerate is its

, a. community
b. habitat
c. niche

d. ecosystem role ANS c. niche


An ecologist who studies populations would most likely be interested in
a. adaptations that help individual organisms live in their environment.
b. births and deaths of individuals belonging to a particular species in a particular place.
c. the number and relative abundance of species living in a particular place.
d. physical and chemical transformations of energy and materials in the soil, atmosphere, and water.
ANS b. births and deaths of individuals belonging to a particular species in a particular place.


Organisms that use photosynthesis or chemosynthesis are
a. autotrophs
b. consumers
c. heterotrophs.

d. herbivores. ANS a. autotrophs


In evolution by natural selection, which of the following is true?
a. all individuals within a population are identical
b. some individuals have a higher fitness because of their traits
c. offspring inherit every trait from both parents.

d. fitness of an individual refers to the strength of the individual. ANS b. some individuals have a
higher fitness because of their traits


A phenotype is ...
a. the traits an individual can pass on to its offspring.
b. the expression of an individual's traits.
c. the genes an individual possesses.

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