Characteristics that have arisen in organisms as a result of common evolutionary descent are said to be ______________ characteristics.
A. homologous
B. homoplastic
C. adaptive
D. derived
E. ancestral
E. ancestral
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At some of the lowest light concentrations, ________ can still grow well due to their ________, which effectively harvest photons for energy
A) green bacteria / antenna pigments B) green bacteria / chlorosomes C) purple bacteria / antenna pigments D) purple bacteria / chlorosomes
Imagine that several thousand years ago, a group of bats and a group of frogs colonized an island at the same time. What can you expect of their current descendants?
A. There will be more frog species compared to bat species. B. There will be more bat species compared to frog species. C. The number of bat and frog species will be equal. D. All frog species will have become extinct on the island. E. All bat species will have become extinct on the island.
Light reaction takes place
A) stroma B) thylakoid C) cytoplasm D) mitochondria
Which of the following is an example of imprinting?
A. Thumb-sucking in humans B. Salmon always returning to the stream in which they were raised C. Ducks learning to quack D. Defending a territory