Bio 1108 Exam 2 Newest 2025/2026 Complete
Questions And Correct Detailed Answers (Verified
Answers) |Newest Version!!!
Which of the following are TRUE regarding the kelp forest
ecosystem - Answer-- It is more biodiverse than most
other marine ecosystems
- It has high resistance and resilience
- There are high oxygen and nutrient levels in the water
The bonds of which molecule contain the most potential
energy that can be harnessed to do work? - Answer-the
molecule with most bonds
True or False: An organism that shivers and migrates is
definitely an endotherm. - Answer-false
A new species of goose was discovered on an island off
the Icelandic coast. As a bird, this Ice Goose could have
the ability to thermoregulate using which of the following
adaptations? [Select all that apply] - Answer--
vasoconstriction/vasodilation
- altering its metabolic rate
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- panting
- migrating
- growing insulating down feathers
- molting (losing its feathers)
Sometimes an animal has a structural adaptation
(morphological) that is adapted for a very specific function.
Similar to the thick double-layer fur of a sea otter acts to
trap air and repel water as insulation in a cold marine
environment.
Which of the following would be another morphological
adaptation for cold weather? - Answer-Small ears that limit
the time blood vessels spend in appendages
Like most organisms, salmon have a fairly narrow range of
acceptable osmolarities (salinity) in their internal tissues.
However, salmon are born in freshwater and then spend
years 2-5 in the ocean before returning to freshwater
streams to reproduce.
This indicates that salmon are most likely
______________ - Answer-osmoregulators
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When an urchin eats a piece of kelp, the energy found in
the kelp is lost as heat during which processes? [Select all
that apply] - Answer-- As ATP generated in cellular
respiration is broken down, releasing energy that can be
harnessed by enzymes to function
- As the cellulose (complex carbohydrate) in the kelp is
broken down into smaller sugars using enzymes
- As the proteins and DNA in the kelp are disassembled in
the urchin digestive system
- As glucose is broken down through cellular respiration
Why is oxygen consumption a reasonable proxy (stand-in)
for metabolic rate? - Answer-Because cellular respiration
usually consumes oxygen as it breaks down glucose
Are all organisms in this food web equally as important? -
Answer-no
What type of metabolism[s] does each type of plankton
utilize?
(heterotroph, autotroph, or both)
1. Zooplankton