As a result of deforestation, the number of different habitats in a particular locale declines while, at the same time, the rate of cladogenesis in a particular lineage of animals in this locale increases. Choose the feature that most likely accounts for this observation.
A) adaptive radiation
B) allopolyploidy
C) autopolyploidy
D) increased habitat differentiation
E) increased sexual selection
Answer: E) increased sexual selection
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A mammalian skull is found in the forest that has incisors, small canines, and many large premolars and molars with prominent surface ridges. Based on this information, what conclusions can be drawn about the feeding behavior of this organism
A. The animal was most likely an herbivore. B. The animal was most likely a carnivore. C. The animal was most likely an omnivore. D. The animal could have been either an omnivore or a carnivore. E. The feeding behavior cannot be determined from the information given.
Which type of epithelial cells act in absorption and secretion?
a. Columnar and stratified squamous b. Columnar and cuboidal c. Simple squamous and columnar d. Cuboidal and simple squamous e. Stratified squamous and columnar
What events can lead to offspring having a unique arrangement of their parents' genes?
A. Crossing over B. Independent assortment C. Both crossing over and independent assortment D. Neither crossing over nor independent assortment
In the near future, the human population is predicted to involve
A. a worldwide decrease in population growth due to limited resources.
B. a continuation of human population growth at the same pace as in the previous century.
C. a decrease in growth in most, but not all, more-developed countries and continued growth in most less-developed countries.
D. an increase in population growth in all countries in the world.