1. In _____________ selection, individuals with both extreme forms of a trait ar
ID: 13113 • Letter: 1
Question
1. In _____________ selection, individuals with both extreme forms of a trait are at a selective advantage.2. The spotted touch-me-not, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. Such an adaptation is favorable because it
A. aids in the dispersal of the species.
B. attracts insects that aid in pollination.
C. prevents germination within the seed pod.
D. can cause genetic changes to occur.
3. Which concept was not included in Charles Darwin's theory of natural selection?
A. survival of the fittest
B. struggle for existence
C. overproduction of offspring
D. punctuated equilibrium
4. Define bottleneck effect and founder effect. Explain how each differs in its effect on microevolution.
5. Because of prolonged drought, the trees on an island are producing nuts that are much smaller with thicker and harder shells. What will happen to the birds that depend on the nuts for food? Of the three general outcomes of natural selection, this example illustrates ____________.
Explanation / Answer
1. In DIVERSIFYING selection, individuals with both extreme forms of a trait are at a selective advantage.
2. The spotted touch-me-not, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. Such an adaptation is favorable because it
A. aids in the dispersal of the species.
B. attracts insects that aid in pollination.
C. prevents germination within the seed pod.
D. can cause genetic changes to occur.
3. Which concept was not included in Charles Darwin's theory of natural selection?
A. survival of the fittest
B. struggle for existence
C. overproduction of offspring
D. punctuated equilibrium
4. Define bottleneck effect and founder effect. Explain how each differs in its effect on microevolution.
reduce gentic variation in small population
5. Because of prolonged drought, the trees on an island are producing nuts that are much smaller with thicker and harder shells. What will happen to the birds that depend on the nuts for food? Of the three general outcomes of natural selection, this example illustrates _directional selection
development -sturdier bills
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.