Biology, 29.10.2019 16:31 fruitsnaxFTW5535
In a forest ecosystem, a species of bird was introduced. the birds had few predators, and for a period of time its population rose steadily and then roughly leveled off. which of the following conclusions provides the best explanation for this phenomenon?
a. a predator of the birds entered the ecosystem, causing the bird population to level off.
b. migration of birds into the ecosystem began to decline, and emigration began to increase.
c. another species of bird was introduced, and the two species competed for nesting sites and food.
d. the ecosystem reached its carrying capacity, and was not able to support continued population growth.
Answers: 1
Biology, 21.06.2019 14:00, Hailey1313131313
How do environmental factors influence genetic traits? a. environmental factors determine all genetic traits. b. environmental factors can determine if a genetic trait becomes a health issue. c. environmental factors are determined by genetic traits. d. environmental factors have no influence on genetic traits. select the best answer from the choices provided
Answers: 3
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