Final Flashcards
(24 cards)
T/F – Theorized to be an evolutionary strategy in species that undergo live birth, water turnover rates are lower in pregnant mammals.
False
T/F – The presence of water developments can affect the population densities of certain ungulates.
True
T/F – Smaller-bodied animals have a lower surface area-to-volume ratio than larger-bodied animals.
False
Animals obtain water from what three sources?
free water in the environment, preformed water in food, and metabolic water produced from oxidation
Which of these is not a method of evaporative heat loss?
a. Sweating b. Gular Fluttering c. Panting d. Excretion of concentrated urine
d. excretion of concentrated urine
After accounting for body size, which of these species likely has the lowest metabolic rate?
a. Swift Fox b. Fennec Fox c. Gray Fox d. Red Fox
b. Fennec fox (because it lives in the desert)
Liebig’s law of the minimum states that growth is determined by the _______________.
a. Scarcest resource b. Total amount of resources
b. Most common resource d. Minimum viable population
a. scarcest resource
Briefly describe some behavioral (not physiological) adaptions that help prevent water loss.
timing of activity, diet selection, use of microhabitats, body orientation
T/F – Data on prey use is primarily collected through direct observations of predation events.
False
T/F – Wolf reintroductions into Yellowstone decreased woody plant cover due to erosion from the extensive game trails left by wolf packs.
False
T/F – Predator control is generally a controversial practice.
True
Human influences can impact predation. Predator sign was reported to be __ times greater at man-made water sources in Arizona, as compared to non-water sites.
7
Most contemporary predator-prey models are based on the work of __ and __.
Lotka and Volterra
Which mammalian family is not a member of the order Carnivora?
a. Sciuridae b. Canidae c. Mustelidae d. Ursidae
a. Sciuridae
Which predator species is incorrectly matched with its general predation strategy?
a. Wolves: Ambush predators b. Gyrfalcons: Pursuit hunters
b. Raccoons: Systematic searchers d. All are matched correctly
a. wolves: ambush predators
Generally, vertebrate predatory-prey relationships follow which one of Holling’s models?
a. Type I b. Type II c. Type III d. Type IV
c. Type III
T/F – An individual’s fitness is related only to its direct descendants.
False
T/F – Animal home ranges are not defended
True
T/F – Dispersal describes the round-trip movement between different seasonal areas.
False
Other than in species with monogamous mating systems, male animals generally traverse ____ areas than females
larger
Eusociality is only recorded in one mammal, the ______.
naked mole rat
Choose the one incorrect answer. For natural selection to operate, a behavior must (be)…
a. Heritable b. Variable c. Beneficial d. Result in differential reproductive success
c. beneficial
Generally, time spent being vigilant ____________ as group size increases.
a. Increases b. Decreases c. Stays the same
decreases
Imagine a male wolf mates with multiple female wolves in one breeding season. None of the aforementioned female wolves mate with another male. What mating system(s) is/are taking place? Circle as many answers as are correct.
a. Monogamy b. Polygamy c. Polygyny d. Promiscuity e. Polygynandry
polygamy, polygyny
