Based on the information above, which of these would most likely be affected by a global warming A) rattlesnakes in the desert B) polar bears living on the sea ice C) earthworms borrowing in the ground D) spider monkeys in the tropical rain forests

Choose all of the negative environmental consequences of human population growth A) increased deforestation B) increase habitat loss C) fewer extinction D) increased air pollution E) decreased need for mining F) decrease in water pollution G) increased loss of fertile top soil H) increased use of fertilizer for agricultural

As the fertility of soil on the forest floor increases, which of the following most likely will occur? Mark only one oval. 00 A) size of plants decreases. B) growth rate of plants increases. C) density of plants decreases. D) number of species of plants increases. E) probably nothing not benefited. Mark only one oval. levolls aviat estela Related to the greater Yellowstone area and according to abundance levels, have benefited from wolf reintroduction, while have ainerion A) grizzly bears, brown bears B) beavers, aspen trees C) woody plant species, beavers D) all of the above first listed species, elk A) zonation. OB) stratification. C) succession. D) characterization. OE) vector-born bond woll 19v altide A (0) lagens ewolis témns) A (0) anomoe ni sunt aniq bio nA (SSSS oorhoorigion Mos Jealsong visuau al vinum Changes in community composition and structure over time are called which of the following? Jovo sto no he Mark only one oval. 2000 abnedm 1003 en avoubisen (0 esw 162 (3 CD…

37. a)How many TERRESTRIAL  ecosystems have the World Wildlife Federation  identified so far? b)How many of these are in Canada? c)List three different AQUATIC ecosystems found in Canada?

In a food web, two different species can directly affect each other’s abundance via _ competition or may in fact have their abundance indirectly regulated by a higher trophic level, a phenomenon called ____ competition. a) Intraspecific, apparent b) Interspecific, apparent c) Intraspecific, apparent d) Apparent, interspecific

Because its population is growing rapidly, Mexico probably has a(n) a) low fertility rate. b) old average marriage age. c) age structure dominated by young age groups. d) all of the above

Which of the following is an example of the founder effect?    a.) Northern elephant seals were hunted to near extinction, but populations later rebounded.            b.) None of the answers are correct            c.) A plant seed established a new population after hitching a ride on a migratory bird            d.) All of the answers are correct            e.) A late frost killed 95% of a local population of spring ephemeral plants

Under which scenario can a hawk successfully invade (or persist among) a population of doves?  Group of answer choices C) Lowest resource value (V << C) D) Options A and B E) Options B and C F) Options A, B, and C B) Lower resource value relative to cost (i.e., V > C and V < 2*C) A) When high resource value relative to cost (i.e., V = 2*C)

8)Which of the following questions would be considered ecological questions? choose all that apply a)How does the availability of rainfall affect pollen production in mulberry trees? b)How do the population dynamics of hawks affect the population dynamics of lizards? c)How does elevation affect the amount of rainfall? d)How did the mouse species present in the Mojave Desert arise? e)How does a mutation in a gene for amylase affect nutrient absorption in white-tailed deer? f)None of these are ecological questions

If you were to remove one of these species, which of these would cause a great impact on the majority of the species? a) phytoplankton b) herring c) humpback whale d) krill