make sure it’s correct i need asap 4. A population of elephants migrates due to a drought and comes in contact with another population ofelephants. Explain the impacts this might have on both the populations and the environment if the firstpopulation remains in the area for an extended period of time.

When drought forces elephants to migrate, it's like a big move for them. Suddenly, they find…

Answered: 4. A population of elephants migrates…

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter44: Population Ecology

Section: Chapter Questions

Problem 4SQ

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2. The graph below shows changes in human population numbers over time. A consequence of these changes is
1. In an attempt to save a rare endangered species, a number of zoos agree to begin a breeding program. A single pair of endangered species is expected to successfully rear an average of nine offspring per year, all of which survive to maturity (i.e., 4.5 per parent per generation). (A) Use the appropriate equation to calculate the number of individuals in the population after eight years.
2) In a particular island, the environment is semi-arid. There is a lizard population with a lot of variation for color. Normally, the light sandy color and golden colored lizard flourished because they escaped predation, while others were barely surviving. However, in recent years, a lot of rain has brought about a lot of vegetation. Which variation of lizard will now flourish in the area? * A) white B) Brown C) Green D) Red
1.) Humans benefit from the presence of certain vitamin Kproducing bacteria that live in the large intestin The bacteria get food and shelter in return . This relationship is an example of A.)parasitism B.) predation C.) commensalism D.( mutualism 2.) A predator-prey relationship exists between the Canada lynx and the snowshoe hare. Lynx that are more successful hunters, are more likely to survive and reproduce, and thus pass on their traits to the next generation. Snowshoe hares that are faster or better at hiding are also more likely to pass on their successful traits From the above information , one can conclude that predator -prey interactions influence the process of A.) inbreeding B.) natural selection C.) artificial selection D.) parasitism 3.) Both intraspecific and interspecific competition affect population growth Which of the following statements about how population growth is affected by competition is correct? A.) Only intraspecific competition increases…
5)How does the number of different prey species available to an organism affect the number of offspring it can produce in a breeding season? a)Population b)Community c)Ecosystem
9) This chart shows the beak length of a population of finches in the Galapagos. The island was faced with a five year drought that made it difficult for birds to get water. If natural selection occurs, how would you predict the bird beak lengths to change? A) Only those with shorter beaks would survive. B) The population would not really change much. C) Only those with the longest beaks would survive. D) Those with medium-long beaks would increase most. Not Graded
1. On the savannah of African exist two animals, the African Wild Dogs (Lycaon pictus) and the Spotted Hyenas (Crocuta crocuta). Both of these animals occupy a very similar niche in their community – a social carnivore, which hunts in packs. However, when their niche does completely overlap the Hyena will win the fight. Use this information to answer the following questions. a) If these two animals were to occupy the same habitat, knowing what you know about these populations, what do you think the outcome of these two populations would be? b) The African Wild Dog hunts at twilight, while the Spotted Hyenas hunt at night. This separation of niches allows for what ecological process to happen? Why is it important that this process happens? c) The population of African Wild Dogs is much smaller, and very isolated from one another. If you were trying to prevent this animal from going extinct – what would you focus your resources on conservation wise? (There are a number of answers for…
2) Explain the immediate and secondary effects of removing otters from a kelp forest ecosystem. (use the word: keystone species, biodiverse/biodiversity)
2.) Suppose that the carrying capacity of a second island is about 500, and the growth rate of a typical Common Gallinule population is around 0.18 when the population size is very small. The time that it takes to reach one-half of K is about 12 years. What will the population size be 15, 20, and 25 years after initial introduction of a few individuals to this island?
2. Explain why populations change over time. Not more than 20 sentences.
7. The seasonal migration of Salmon, beginning life in freshwater, migrating to oceans to grow, and returning to freshwater to spawn are examples of what type of adaptation? * A. Structural B. Behavioral C. Physiological D. Vestigial
4 Use the drop-down menus to complete the statements about the birds. The changed environment selected For Against the birds with smaller beaks. The population of birds with smaller beaks increased decreased because of an increase decrease in competition over small seeds.

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4. A population of elephants migrates due to a drought and comes in contact with another population of elephants. Explain the impacts this might have on both the populations and the environment if the first population remains in the area for an extended period of time.