Over evolutionary time, flowering plants have evolved colors, odors, and nectar that attract pollinating insects and the
insects have evolved mechanisms that detect the changes in plants and to better collect pollen. This is an example of ____.
a. allopatric speciation
b. phylogenetic change
c. coevolution
d. a key innovation
e. sympatric speciation
ANSWER: c
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Use the following information to answer the following question(s): You wake up one morning feeling slightly under the weather. A close family member enthusiastically suggests that you take some Echinacea, an herb commonly used as a cold remedy. You then decide to design an experiment to test Echinacea and see if this claim is true. You think, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms."You conduct the experiment and gather the data presented in the figure below. Given the results, you can say that ________.
A. your hypothesis is not supported B. your theory is disproven C. your theory is proven D. your hypothesis is supported
_______ is the use of a gene sequence to synthesize a functional protein
A. Loss-of-function mutation B. Gene expression C. The human genome project D. Proteonomics E. None of these
The initial reports on Bruce, who became Brenda, confirmed __________in determining sexual
identity. A. nature is more important than nurture C. nature and nurture are equally important B. nurture is more important than nature D. nothing of interest
Parturition involves all of the following steps, EXCEPT
A. Dilation of the Cervix B. Dilation of the Uterine Fundus C. Delivery of the Fetus D. Delivery of the Placenta and Fetal Membranes E. Formation of Intrauterine Hematoma