What is the reproductive organ of ferns
A. Cone
B. Stem
C. Fronds
D. Flowers...
Answers: 3
Biology, 21.06.2019 14:50
Where do homologous chromosomes exchange genetic material through crossing over? a. chlorophyll b. centrosomes c. centromeres d. chiasma
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Biology, 21.06.2019 17:40
There are six elements that make up most of the human body. which of the following is not one of these six elements?
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Biology, 22.06.2019 00:10
How does natural selection change thephenotypes within a population over time?
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Biology, 22.06.2019 02:30
What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.
Answers: 1
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