Org Bio Exam 3

Org Bio Exam 3

University

56 Qs

quiz-placeholder

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Org Bio Exam 3

Org Bio Exam 3

Assessment

Quiz

Science

University

Practice Problem

Easy

Created by

Tristan W

Used 3+ times

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56 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a reduction in the pH of the ocean over an extended period of time, caused by primarily by uptake of CO2 from the atmosphere

ocean acidification

marine heatwaves

coral bleaching

ocean pattern changes

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are the biological effects of ocean acidification?

  • Makes it more difficult for calcifying organisms to make their calcium carbonate shells (corals, bivalves, pteropods)

  • Can disrupt organisms’ chemical signaling and sensing

Can disrupt other pH-sensitive chemical reactions that are essential for life

Can make it more energetically costly to maintain internal acid-base for all marine organisms

Changing rainfall patterns

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Choose all that are effects of climate change through warming.

Changing rainfall patterns

  • More frequent and intense storms

Changing ocean current patterns

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

short-term episodes of extreme sea surface temperature that exceed the 90th percentile of temperatures from 30 years' worth of local measurements for at least five days in a specific region

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The biological effect of marine heatwaves is

Can disrupt organisms’ chemical signaling and sensing

organisms are heat-shocked over a very short period of time to the point where they become extremely stressed or die and have little or no time to move or acclimate

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The key biological effects of global warming are:

Ocean current patterns are changing drastically.

  • Organisms have to deal with heat stress, which can be energetically costly.

  • Organisms may have to find new habitat that is more suitable for their temperature tolerance → poleward distribution shifts.

Organisms may have to find new food sources if their prey moves or becomes less abundant.

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

the process through which living organisms (decomposers) break down dead organic matter in the environment into its simpler components

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