Which of the following is a trait that evolved in ALL land plants?
A. protection of the embryo
B. seeds
C. apical growth
D. vascular tissue
Answer: A
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If one strand of a sister chromatid from C. elegans has nine different genes, which of the
following is true about the second strand of the sister chromatid?
a. It will have the exact same genes. b. It will have the same number of genes, but this may be a different gene set. c. It may have a different number of genes. d. There is no correlation between the number of genes on either sister chromatid.
Symptoms of multiple sclerosis
a. include muscle weakness. b. include impaired coordination. c. include vision problems. d. typically begin between the ages of 20 and 40. e. are described by all of these.
After fertilization occurs in a flowering plant, the ovary becomes a(n) ____
a. gametophyte b. ovule c. seed d. fruit e. endosperm
What can happen to the carbon dioxide in the atmosphere?
A) It can be released into space from the atmosphere. B) It can be converted to glucose by plants. C) It can be converted into carbon monoxide by the oceans. D) It can react with nitrogen to form fossil fuels.