“Honeydew” is essentially ____
a. xylem sap forced out of the margins of leaves
b. xylem sap harvested by honeybees
c. phloem sap harvested as syrup
d. xylem sap separated from syrup
e. phloem sap leaving the anus of an aphid
ANSWER: e
You might also like to view...
Which of the following proteins is involved in synthesizing messenger RNA in eukaryotes?
A. RNA polymerase I B. RNA polymerase II C. RNA polymerase III D. sigma factor E. both RNA polymerase I and III
What is an area of the Earth's surface currently undergoing primary succession?
A. Orange groves in Florida B. Redwood forests along the northwestern U.S. coast C. Volcanoes in Iceland. D. Shallow seas with low productivity
The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?
A. Natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy. B. Forelimb evolution was adaptive in people and bats, but not in whales. C. Genes mutate faster in whales than in humans or bats. D. Whales are not properly classified as mammals. E. Humans and bats evolved by natural selection, and whales evolved by Lamarckian mechanisms.
What are homologous structures, and how do they provide evidence for evolution?
What will be an ideal response?