Deck 7: Energy and Nutrient Relations

Question 1

Which kingdom has the higher carbon to nitrogen ratios?

A) Fungi
B) Animalia
C) Monera
D) Plantae
E) Protista

Answer 1

D

Question 2

In order for terrestrial plants to undergo photosynthesis and produce a six carbon sugar, which of the following metabolic pathways must occur?

A) C₃
B) C₄
C) CAM (crassulacean acid metabolism)
D) both C₃ and C₄
E) both C₄ and CAM (crassulacean acid metabolism)

Answer 2

A

Question 3

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 3

C

Question 4

Herbivores, carnivores, and detritivores are all

A) omnivores.
B) autotrophs.
C) animals.
D) browsers.
E) heterotrophs.

Question 5

How are C₄ plants and CAM (crassulacean acid metabolism) plants similar?

A) They both open their stomata at night.
B) They both initially fix carbon into a four carbon molecule.
C) They both use more water to fix carbon into an organic compound than C₃ plants.
D) They both have bundle sheath cells.
E) Both carbon fixation and PGA production occurs in mesophyll cells.

Question 6

C₄ 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.

Question 7

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 choices are correct.

Question 8

The group of organisms that contains the most trophic diversity:
3-7-2013

A) Plants
B) Animals
C) Prokaryotes
D) Fungi
E) Protists

Question 9

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 choices are correct.

Question 10

Organisms which synthesize organic compounds using CO₂ as a carbon source and inorganic chemicals as an energy source are

A) chemosynthetic heterotrophs.
B) chemosynthetic autotrophs.
C) photosynthetic autotrophs.
D) photosynthetic heterotrophs.
E) None of the choices are correct.

Question 11

In general, among solitary predators, ________________ is/are most often the determining factor in prey selection.

A) age
B) speed
C) numbers
D) health
E) size

Question 12

Which of the following is not considered a form of plant defense?

A) silica
B) thorns
C) cellulose
D) phenolic compounds
E) All the choices mentioned are plant defenses.

Question 13

A type 1 functional response curve would best represent

A) squirrels.
B) moose.
C) humans.
D) clams.
E) wolves.

Question 14

In ______ plants CO₂ is fixed in the mesophyll cells using PEP carboxylase while sugar production occurs in the bundle sheath cells.

A) C₃
B) C₄
C) CAM
D) C₄ and CAM
E) C₃, C₄, and CAM

Question 15

What organisms use inorganic sources of both carbon and energy to synthesize organic compounds?
Rev: 10_31_2014_QC_58097

A) photosynthesizers
B) chemosynthesizers
C) autotrophs
D) both photosynthesizers and chemosynthesizers
E) photosynthesizers, chemosynthesizers, and autotrophs

Question 16

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 choices are correct.

Question 17

Transpiration rates are highest in ____ plants.

A) C₃
B) C₄
C) CAM
D) C₄ and CAM
E) C₃, C₄, and CAM

Question 18

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 choices are correct.

Question 19

The rate of energy intake by an organism can be limited by

A) availability of energy in the environment.
B) foraging time.
C) handling time.
D) All of the choices are correct.
E) both availability of energy in the environment and foraging time.

Question 20

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

Question 21

Generally, as predator size decreases prey size _______________.

Question 22

Tropical plants and tropical seaweeds contain lower levels of alkaloid toxins compared to their temperate counterparts.

Question 23

The longer the wavelength, the more energy they carry.

Question 24

The energy harvested in the light dependent reaction will eventually be used to run the C₃ cycle and ultimately lead to the production of _________________________.

Question 25

In a ______ functional response, initial feeding rates rise linearly at low food densities, rise more slowly at intermediate food densities, and then level off at high densities.

A) Type I
B) Type II
C) Type III
D) Type IV
E) Type V

Question 26

Prokaryotic organisms are used for bioremediation such as converting organic sewage into CO₂ and water, but unfortunately they cannot breakdown such toxins as benzene or cyanide.

Question 27

PAR is an acronym for photosynthetically active ________________________.

Question 28

Photosynthetic response curves examine photosynthetic rates and maximum irradiance.

Question 29

Dead leaves contain half as much nitrogen compared to live leaves.