In 1990, a small herd of white-tailed deer migrated into a new environment. Research indicated that the herd has reproduced exponentially with a doubling time of 5 years. It was estimated that this herd would reach its carrying capacity by 2005. In what year would the herd be "half way" to its carrying capacity? Explain
What will be an ideal response?
The year 2000. The carrying capacity will be reached in 2005. If the doubling time is five years the herd will be half way to the carrying capacity in the year 2000.
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Which of the following statements is false?
1.We are in the midst of a slowly increasing trend towards species extinction. 2.Most of the causes of the current species extinction are natural causes. 3.Dodos most likely became extinct because of destruction by animals other than humans. 4.The origins of our current extinction event began tens of thousands of years ago.
paracrine signals use ________ for communication
Fill in the blank(s) with the appropriate word(s).
The most common respiratory pigments in animals are:a
myoglobin and hemocyanin. b. myoglobin and hemoglobin. c. hemocyanin and hemoglobin. d. mucus and hemoglobin. e. pulmonary surfactant and myoglobin
Restriction digestion of satellite DNA that has one restriction site in each repeat generates
a. many evenly spaced bands. b. four distinct bands, two from each parent. c. a single sharp band. d. no visible bands. e. a general smear.