2. Under what conditions may adaptive radiation occur? a. when islands are colon
ID: 97646 • Letter: 2
Question
2. Under what conditions may adaptive radiation occur?
a. when islands are colonized
b. after the demise of a successful group of organisms
c. after the emergence of new physiological pathways
d. when organisms move into new adaptive zones
e. all of the above
3. Climbing plants in tropical forests have a competitive advantage over trees because
a. they grow relatively slowly.
b. they have a high amount of supporting structure.
c. they have a low amount of leaf biomass.
d. they receive a good amount of sunlight
e. they are usually parasites supported by trees.
4. Which of the following groups of organisms are decomposers?
a. animals
b. fungi
c. plants
d. algae
e. all of the above
5. Which of the following items is NOT associated with monsoons?
a. rain shadow
b. reversal of wind direction
c. adiabatic cooling
d. high precipitation
e. low air pressure
6. Which of the following is NOT true about ocean currents?
a. They move clockwise in the northern hemisphere.
b. They move counter-clockwise in the southern hemisphere.
c. They are partly caused by trade winds and westerlies.
d. They mix water thoroughly, resulting in a uniform water temperature at similar latitudes.
e. They are influenced by the Earth’s rotation.
7. Some sea slugs are able to perform photosynthesis. They do this by
a. producing their own chlorophyll.
b. eating algal cells and moving the cells to the endodermis.
c. having a mutualistic association with algae.
d. having algal chloroplasts in their endodermis.
e. all of the above.
8. The total potential energy in a system is called
a. entropy.
b. free energy.
c. enthalpy.
d. exothermic.
e. endothermic.
9. Under which condition will a reaction be spontaneous?
a. when G is positive
b. when H is negative
c. when the product(s) will have more free energy than the reactant(s)
d. when S is negative
e. none of the above
10. The binding of a substrate to an enzyme causes a change in the enzyme’s shape. This shape change is known as
a. allosteric inhibition.
b. activation.
c. reversible inhibition.
d. induced fit.
e. denaturation.
11. The part of an enzyme that interacts with its substrate(s) is called
a. an allosteric site.
b. an induced-fit.
c. a reaction site.
d. an active site.
e. a cofactor.
Explanation / Answer
2. e. All of the above (all of them give new opportunities to the organisms to diversify)
3. b. high amount of supporting structure (meaning that they don't have to expend resources for woody stems unlike trees)
4. b. fungi
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.