As a population moves toward carrying capacity, its growth rate begins to slow significantly. Which of the following factors could reasonably cause this change?
An increase in younger individuals due to a greater abundance of resources
An increase in competition due to higher population density
An decrease in immigration from neighboring populations
An increase in the birthrate and a decrease in death rate
Answers: 2
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What type of genetic drift would be simulated if all the beans that were not selected died out?
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Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).
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Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?
Answers: 3
As a population moves toward carrying capacity, its growth rate begins to slow significantly. Which...
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