Viruses can be classified based on their:
a. Physical and chemical properties
b. Method of entry
c. Method of release
d. Color
e. None of the answers are correct
Ans: a. Physical and chemical properties
You might also like to view...
With capture-recapture, the recaptured animals might not represent the population correctly because ________
a. they might return to traps preferentially b. they might avoid traps having been caught once c. all of the choices d. some animals may have lost their tags
Since contraction of the hamstrings causes the knee to bend and contraction of the quadriceps causes the knee to extend, these muscles are said to be ________
Fill in the blank(s) with correct word
Which of the following best reflects the concept of fetal programming?
a. A woman smokes and binge drinks during her pregnancy, and experiences a miscarriage in the first trimester. b. A woman experiences a hurricane while pregnant, and the child's genes are marked to be highly sensitive to stress. c. An active fetus creates distress for a woman while pregnant, which leads her to be less attached to child in infancy. d. A doctor selects the most genetically healthy embryos to implant in a woman's uterus following in vitro fertilization.
Which statement does NOT distinguish Darwin’s theory of natural selection from earlier descriptions of biological
diversity and adaptive traits?
a. Biological diversity has purely physical, rather than spiritual, origins. b. Evolutionary change occurs in groups of organisms, rather than in individuals. c. Spiritual explanations account for the origin but not the diversification of individuals. d. Some organisms function better than others in a particular environment. e. Evolution is a multistage process and natural selection eliminates unsuccessful variations.