Biology, 27.07.2019 06:00 HottheadAnthony7234
Prairie dogs are burrowing rodents that live in grasslands. what makes the prairie dog a keystone species in the ecosystem? a) prairie dogs are the main source of food for wolves and coyotes in the grassland. b) prairie dogs are the species with the largest number of individuals in the grassland ecosystem. c) they successfully compete with the other herbivores for grass and are a major threat to these species. d) their tunnels act as conduits for rain water to seep into the ground, thereby promoting the growth of grass.
Answers: 2
Biology, 21.06.2019 23:10
Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%
Answers: 1
Biology, 22.06.2019 11:40
Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above
Answers: 1
Biology, 22.06.2019 12:20
Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting
Answers: 1
Prairie dogs are burrowing rodents that live in grasslands. what makes the prairie dog a keystone sp...
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