In angiosperms, pollination is the transfer of pollen grain to the _____ of a flower on the same plant or another plant of the same species.
a) stigma
b) ovary
c) style
d) ovulate cone
e) anther
Answer: a) stigma
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To study the fine structure of a mitochondrion, which type of microscope is least appropriate?
a. light b. scanning electron c. transmission electron
In the experiment with Peacock butterflies, the
working hypothesis is that a. mimicry confuses both predator and prey. b. mimicry conveys a selective advantage to the prey. c. birds are capable of learning. d. birds are agents of evolution. e. unpalatable species display distinctive wings.
Which of the following is properly matched?
A. Osteoblasts and bone breakdown B. Osteocytes and initial bone formation C. Osteoclasts and initial bone formation D. Osteoclasts and bone breakdown E. Osteoblasts and cartilage formation
Which of the following statements about early ideas of evolution is true?
A. Darwin sailed around Earth over a five-year period and gathered information that greatly influenced his thinking about evolution. B. Charles Darwin came up with the idea that species evolve. C. Aristotle thought that species evolved. D. Lamarck suggested the idea of natural selection.