Physics, 12.07.2019 18:00, anazia10

Which measurement gives the most accurate number for a population in an area? a) add the biodiversity of an area to the carrying capacity. b) add the individuals who come into an area because of reproduction or immigration. c) add the individuals living or born in an area and subtract those who die. d) subtract the animals that die from the total carrying capacity.

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Biology, 22.06.2019 11:00, anitadefrances

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth

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Biology, 25.06.2019 16:30, FlyingUnicorn123

No wrong answers which of the situations below would be an example an environment changing slowly? a. a hurricane hitting the shores of alabama. b. a tsunami crashing into a city. c. a pond succession in a small town. d. the flooding of a town. john decided that he wanted to hunt deer in north america. when he arrived, there were no deer, so he decided to release 15 deer into the area. after a few years, the deer had multiplied to 14 million and had spread all over north america. they ate every plant they could sink their teeth into-grasses, shrubs, and crops. what was a result of the overpopulation of deer in australia? a. certain plants in the area grew exponentially. b. certain plants in the area became extinct. c. the deer species became endangered. d. certain plant populations in the area increased. which of the following statements best describes the relationship between carrying capacity and population size? a. carrying capacity increases population size b. carrying capacity determines maximum population size. c. population size is not affected by carrying capacity. d. population size increases the carrying capacity. in a successful food web that includes grass, crickets, mice and snakes an owl is added. what would happen to the population of the animals in this food web if the owl was added? a. the grass, crickets, mice and snake population would increase. b. the grass, crickets, mice and snake population would decrease. c. the grass, crickets, mice and snake population would stay the same. d. the grass, crickets, mice and snake population would fluctuate.

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Chemistry, 28.06.2019 20:30, valeriegarcia12

50 points. plato users ( the carrying capacity of ecosystems ) 1. a population of foxes inhabits a small forest. the size of the population is currently below the forest's carrying capacity for the foxes. which factor could cause an increase in the population's growth rate? a. an increase in food availability increases the birth rate in the population. b. a lack of mating opportunities increases the population's level of emigration. c. the population's level of immigration falls below its level of emigration. d. the population's birth rate falls below its death rate after a predator is introduced. 2. the__a__is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most likely__b__if the number of offspring each female in the population produces increases. if the population' this measurement will most likely increase. a: population density / carrying capacity / minimum viable population b: increase / decrease / be unaffected c: death rate increases / death rate decreases 3. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve a marsh supports a large population of cattails, which are tall wetland plants. purple loosestrife, an invasive wetland plant, is introduced to the marsh. both purple loosestrife and cattails require access to sunlight and space along the floor of the marsh to grow. 4. what effect will the growth of purple loosestrife have on the marsh's carrying capacity for cattails? a. the carrying capacity will decrease because invasive species are typically predators of native species. b. the carrying capacity will decrease because the cattails will have increased competition for resources. c. the carrying capacity will increase because invasive species are typically beneficial to ecosystems. d. the carrying capacity will increase because the cattails can use resources produced by purple loosestrife. a population of 400 mexican free-tailed bats roost inside a cave and forage for food at night. they primarily prey on insects, like moths. the bats' predators include hawks, owls, and snakes. a female bat typically gives birth to one offspring per year. 5. determine whether (a-e) scenarios will most likely increase or decrease the population size of the mexican free-tailed bats. increase population / decrease population a: populations of insects in the area decrease. b: populations of owls in the area increase. c: bats from a nearby colony immigrate into the population. d: some bats are infected with a fatal fungal disease. e: improved food quality allows female bats to have two breeding cycles per year.

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Biology, 08.07.2019 01:00, quita03

Which of the following statements best describes carrying capacity? a. carrying capacity is determined by a variety of environmental factors, and represents the approximate maximum population size in an environrment. b. carrying capacity can self-adjust depending in the size of the population, allowing for further growth. c. carrying capacity remains constant over time, regardless of changes to the environment. d. when a population reaches the carrying capacity of its environment, limiting factors cause it to decrease to near zero.

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