What kind of analysis focuses on the order in which derived characters appeared in organisms?
a. cladistic analysis
b. traditional classification
c. taxonomy
d. anatomy
Ans: a. cladistic analysis
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In plants, extreme wilting of leaves and stems can cause the cells to retract from the cell wall, a condition known as
____.
a. hemolysis b. an increase in turgor pressure c. plasmolysis d. a lack of solutes in the cell e. a higher than normal concentration of water in the cell
When seeds are removed from strawberries, fruit growth is stopped. This suggests the seeds contain which of the following hormones?
A. Auxin B. Oligosaccharides C. Gibberellins D. Strigolactones E. Ethylene
Of the following combination of statements about protostomes and deuterostomes, which choice is correct?
A. Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development. B. Protostomes are animals in which the mouth or anus develops from the blastopore, depending on the species. Deuterostomes are animals in which the mouth and anus develops from the blastopore, depending on the species. C. Protostomes are animals in which the anus develops from the blastopore, and the mouth develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development. D. Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the mouth develops from the blastopore and the anus develops secondarily later in their development.
Secondary phloem
A. is part of the inner bark. B. primarily stores carbohydrates. C. includes live companion cells and dead sieve cells. D. encompasses more stem volume than secondary xylem. E. is produced by the cork cambium.