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Q: climate
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Q: Oxygen Content of Earth's Atmosphere
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Q: Explain more about Oceanic Biomes like a presentation
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Q: Write about the biome you choose ( the forest ) and why would you like to visit the forest, explain…
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Q: savanna biomes
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Q: her abiotic or biotic factor) were removed m an ecosystem? alyze the consequences". nt more than 150…
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Q: What are the major biomes in the world? Give a short description for each of it
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Q: The 4major biomes in the world
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- Suppose that none of the 44 dolphins encounteredin the second sampling had been photographed before. Would you be able tosolve the equation for N? What might you conclude about population size inthis case?The long-leaf pine forest ecosystem once extended across 95 million acres of the southeastern US. However only 5 million acres now remain causing major declines in the Gopher tortoise population. Given this, what is expected to happen to overall diversity of species that depend on Gopher Tortoise burrows?a. increaseb. decreasec. stay the samePolar bears live on the ice cap near the North Pole. Their numbers aredwindling, apparently because of both pollution and global climatechange. List some specific ways that the melting of the Arctic ice capmight affect polar bear populations.
- Population ecologists follow the fate of same-agecohorts to(A) determine a population’s carrying capacity.(B) determine the birth rate and death rate ofeach group in a population.(C) determine if a population is regulated bydensity-dependent processes.(D) determine the factors that affect the size of a population.24. What type of limitation or factor includes the environmental like weather patterns and natural or Geological disasters? * A. Density dependent B. Density independent C. Carrying capacity D. Migration rate 25. During the cretaceous period, Dinosaurs were totally defunct according to the asteroid impact theory. What does the total disappearance of the population of Dinosaur signifies? * A. Background extinction B. Mass extinction C. Extirpation D. PreservationMountain gorillas are a highly endangered primate species, with 800 or so individuals surviving in the two remaining populations. A recent sampling of mountain gorilla genomes revealed a very low level of genetic diversity. Explain why a decline in genetic diversity often accompanies a decline in population size.
- SCIENCE, TECHNOLOGY, AND SOCIETY Some people regardthe rapid population growth of less industrialized countries asour most serious environmental problem. Others think that thepopulation growth in industrialized countries, though smaller,is actually a greater environmental threat. What problems resultfrom population growth in (a) less industrialized countriesand (b) industrialized nations? Which do you think is a greaterthreat, and why?If you go back 40 generations into your biologicalancestry:a. How many ancestors are you predicted to have?b. How could you reconcile that prediction with thefact that the world’s population of humans is nowroughly 7 billion people?You are surveying of the turtle species identifies several breeding populations in different habitats across the island. After a very warm summer of 2020, you observe that the hatchlings from low-elevation nests are mostly males, whereas hatchlings from higher elevations have an equal female-to-male sex ratio. As a bit more background, temperature influences the sex ratio in some turtle species, a phenomenon called temperature-sex determination (TSD). With this knowledge, you hypothesize this new turtle species exhibits TSD, and that eggs incubated at low elevations during the warm year experienced a high enough embryonic temperature to skew the sex ratio. To test this, you collect 20 newly laid eggs in early 2021 & take them back to the lab to conduct an experiment to test your hypothesis that this species exhibits TSD. Assume you know the average nest temperature in the wild, and you have access to multiple incubators Design an experiment to test the hypothesis that this turtle…
- Salt is notoriously dangerous to land snails; however, some populations of aquatic, freshwater snail have brackish (or a mix of salt and fresh water) water adaptations and live in different parts of a river system. A group of scientists monitored salt concentrations in the habitats of two freshwater snail populations located nearby and recorded the data as follows (in ppt, parts per thousand): Population 1 (Day 1): 0.1 ppt (morning), 0.0 ppt (afternoon), 0.1 ppt (evening) Population 2 (Day 1): 0.3 ppt (morning), 0.5 ppt (afternoon), 0.2 ppt (evening) In 3–5 sentences, 1) describe how these results show why the brackish water adaptation may be necessary, and 2) explain how to determine whether the inherited adaptation is influenced by environmental factors.Organismsthat produce many offspring would best be characterized by which of thefollowing?a.A convex survivorship curveb.A concave survivorship curvec.A linear survivorship curved.A sigmoidal survivorship curvee.None of the choices applyWhich of the following is microevolution? A. The average wing length of a single population of pigeons living in New York City decreased over a period of 150 years b. the growth and wing-size of a single population of Florida Jaybirds originally living in Destin, Florida has steadily declined and decreased over 25 years C. A woman's leg muscles increase in strength and bulk after he starts working out D. A and B