Chapter 6
1.
The kingdom that contains the most trophic diversity: a) Plantae b) Animalia c) Monera d) Fungi e) Protista
Answer: C
2.
Which of the following organisms use inorganic matter as their energy source? a) photosynthesizers b) chemosyntheziers c) autotrophs d) both photosynthesizers and chemosyntheziers e) photosynthesizers, chemosyntheziers and autotrophs
Answer: E
3.
The longer the wavelength the more energy they carry.
Answer: F
4.
During the light dependent portion of photosynthesis, the energy found in photons is converted/ transferred to a) ATP b) NADPH c) PEP d) both ATP and NADPH e) ATP, NADPH and PEP
Answer: D
5.
How are C
4 plants and CAM (crassulacean acid metabolism) plants similar? a) They both open their stomata at night. b) They both have bundle sheath cells. c) They both use more water to fix carbon into an organic compound than C
3
plants. d) They both initially fix carbon into a four carbon molecule. e) Both carbon fixation and PGA production occurs in mesophyll cells.
Answer: D

6.
Tropical plants and tropical seaweeds contain lower levels of alkaloid toxins compared to their temperate counterparts.
Answer: F
7.
In order for terrestrial plants to undergo photosynthesis and produce a six carbon sugar, which of the following metabolic pathways must occur? a) C
3 b) C
4 c) CAM (crassulacean acid metabolism) d) both C
3 and C
4 e) both C
4
and CAM (crassulacean acid metabolism)
Answer: A
8.
C
4
and CAM plants are best suited for a) hot and moist environments. b) cool and moist environments. c) hot and dry environments. d) cool and dry environments. e) environments with moderate temperatures and moisture levels.
Answer: C
9.
Dead leaves contain half as much nitrogen compared to live leaves.
Answer: T
10.
Herbivores, carnivores, and detritivores are all a) omnivores. b) autotrophs. c) animals. d) browsers. e) heterotrophs.
Answer: E
11.
Which kingdom has the higher carbon to nitrogen ratios? a) Plantae b) Animalia c) Monera d) Fungi

e) Protista
Answer: A
12.
Which of the following is not a considered a form of plant defense? a) silica b) thorns c) cellulose d) phenolic compounds e) All the above mentioned are plant defenses.
Answer: E
13.
Photosynthetic response curves examine photosynthetic rates and maximum irradiance.
Answer: T
14.
Müllerian and Batesian mimicries differ from one another because a) in Müllerian mimicry, the mimic is actually harmless. b) in Müllerian mimicry, the model is actually harmless. c)
Müllerian mimicry is a form of comimicry. d)
Müllerian mimicry is a form of camouflage. e) none of the above
Answer: C
15.
The main force in the development and refinement of prey defenses is/are a) nutrition. b) predators. c) the prey themselves. d) mate choices. e) all of the above
Answer: B
16.
Prokaryotic organisms are used for bioremediation such as converting organic sewage into CO
2
and water, but unfortunately they cannot breakdown such toxins as benzene or cyanide.
Answer: F
17.
PAR is an acronym for photosynthetically active ________________________.

Answer: radiation
18.
In general, among solitary predators, ________________ is/are most often the determining factor in prey selection. a) size b) speed c) numbers d) health e) age
Answer: A
19.
Nitrifying bacteria, Nitrosomonas, and sulfur-oxidizing bacteria a) are both heterotrophs. b) are both chemoautotrophs. c) are both parasitic. d) use reduction as an energy yielding process. e) all of the above
Answer: B
20.
The energy harvested in the light dependent reaction will eventually be used to run the C
3 cycle and ultimately lead to the production of _________________________.
Answer: sugar
21.
A type1 functional response curve would best represent a) squirrels. b) moose. c) humans. d) clams. e) wolves.
Answer: D
22.
The photosynthetic response curve is most similar to a) type 1 functional response curve. b) type 2 functional response curve. c) type 3 functional response curve. d) none of the above

Answer: B
23.
Several studies indicate that environmental conditions dictate plant biomass allocation; plants grown in infertile soils will allocate more energy into
_________________ biomass. a) leaf b) stem c) root d) flower e) seed
Answer: C
24.
Generally, as predator size decreases prey size _______________.
Answer: decreases