If you want to avoid skin cancer, the safest thing to do is ________
Fill in the blank(s) with correct word
stay out of the sun
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If an entire genome is fragmented and then a large number of pieces are sequenced, the approach is known as the ________ approach
Fill in the blank(s) with correct word
Semen consists of:
a. sperm only. b. secretions of accessory glands only. c. sperm plus urine. d. sperm plus secretions of accessory glands. e. sperm plus urine plus secretions of accessory glands.
The carbon cycle makes carbon compounds continuously available in an ecosystem and delivers
A.) light energy to autotrophs. B.) water to all organisms. C.) carbon dioxide to animals within the ecosystem. D.) chemical energy to organisms within the ecosystem.
The gametophyte is photosynthetic and nutritionally independent
A. only in the liverworts. B. in all seeds plants. C. only in the ferns. D. in the bryophytes and pterophytes. E. in all tracheophytes.