World Population: 1950-2050 10 1950 1970 1990 2010 2030 2050 Year 4. 2. Population (billions)

Wildebeest are species of antelope found in southern Africa. The wildebeest herd in Serengeti National Park, Tanzania, is the largest herbivore herd on Earth. Scientists began monitoring the sizes of the Serengeti's large mammal populations in the 1960s. Over the next few decades, they noticed something unusual: the wildebeest population was increasing at a rate much faster than before. The scientists determined that this increase was due to several factors. One factor was a vaccination program that eradicated rinderpest, a viral disease that kills wildebeest. Based on the figure, what kind of population growth model would you use to represent wildebeest (circles) populations? wildebeest zebra 1960 1970 1980 1990 2000 year Figure 1. Wildebeest and zebra populations in the Serengeti from the 1950s to 2010. vaccination campaign 00000L 000000 000009 000007 population

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What do bioarchaeologists do?  A. None of these are correct  B. They identify population trends by looking at prehistoric living structures.  C. They identify population trends by looking at skeletal material.  D. They only look at ancient artifacts to study past populations.

A kid let go 4 snails he bought at the pet store in a pond. A year later, the population of snails has grown to 13. Assuming that the population is growing exponentially, how many snails can one expect after 10 years? Round your answer to the closest full number.

You start a lab colony of Rotifers (small aquatic animals) by adding 5 indviduals to a small tank. One week  later the population has grown to 17. Assuming that the population is growing exponentially, how many rotifers can you expect after 7 weeks? Round your answer to the closest full number.

A population of 1,000 wild turkeys is studied and observed by scientists on an island. The scientists construct a study over five years to observe the temperature, amount of precipitation, the daily value of berries individually consumed that were their exclusive food source, mating patterns, and available habitat for nesting. The scientists determined that as the climate changed, the population began to decrease. Using the Hardy-Weinberg Equilibrium as a null hypothesis, which statement would support the alternative hypothesis? No change in the allele frequency of the population was observed because the population size is large. A change in the allele frequency of the population was observed because natural selection occurred due to the change in climate. No change in the allele frequency of the population was observed because mutations will not occur as a result of climate change. A change in the allele frequency of the population was observed because mating is random.

Each August, dolphins near the coast of the Atlantic ocean. In a hypothetical situation, an initial population of 900 dolphins gives birth to 390 tiny babies, and during the next 12 months, 60 dolphins die. Assuming the dolphin population grows geometrically, what will the dolphin population be in 12 years?