You are studying a group of closely related plant species that are fed upon by numerous herbivores. One of these herbivores is a caterpillar species that has evolved the ability to sequester the alkaloid that is this plant group's principal defense against all herbivores. You then construct a phylogeny of the plant species. You expect to find that the most recently radiated species in the group that co-occur with the caterpillar: Select all that apply.
a. are found in resource-rich environments.
b. are found in resource-poor environments.
c. Produce a novel volatile molecule that attracts predators of the caterpillars.
d. have lost the ability to produce the sequestered alkaloid.
Answers: 3
Biology, 22.06.2019 10:00, AM28
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
Answers: 2
Biology, 22.06.2019 10:00, tuetheturtle
The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.
Answers: 1
You are studying a group of closely related plant species that are fed upon by numerous herbivores....
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