In the accompanying figure, note the variation in these closely related birds. What does this illustrate?
a. hybridization
b. macroevolution
c. hybrid inviability
d. adaptive radiation
e. allometric radiation
d
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Which organ system is NOT required for the maintenance of homeostasis within an organism?
a. excretory system b. reproductive system c. skeletal system d. endocrine system e. lymphatic system
Which of the following statements about the fundamental and realized niche are true? Check all that apply.
_____ A species' realized niche could be the same size as its fundamental niche. _____ A species' realized niche could be smaller than its fundamental niche. _____ A species' fundamental niche can be smaller than its realized niche. _____ The extent of the realized niche is determined, in part, by interspecific competition. _____ The extent of the fundamental niche is determined, in part, by conditions of the physical environment.
Arrange the following from most general (i.e., most inclusive) to most specific (i.e., least inclusive):
1. Natural selection 2. Microevolution 3. Intrasexual selection 4. Evolution 5. Sexual selection A) 4, 1, 2, 3, 5 B) 4, 2, 1, 3, 5 C) 4, 2, 1, 5, 3 D) 1, 4, 2, 5, 3 E) 1, 2, 4, 5, 3
A woman heterozygous for color blindness (an X-linked recessive allele) marries a man with normal color vision. What is the probability that their first child (male or female) will be color blind?
A. 25% B. 50% C. 75% D. 100% E. 0%