Which of the following best identifies biocides?
a. herbicides used by large corporations as a way of maximizing production
b. a rather large variety of insecticides produced in Third World societies
c. pesticides made of organic materials which are less harmful on the environment
d. a type of agrochemical only used on banana plants
e. types of agrochemicals used to protect plants against insects, fungi, and weeds
ANS: E
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Since the caste system in India is based on ritual and religious principles, it has few economic consequences
Indicate whether the statement is true or false
Relatively high frequencies of hemoglobin S are found in:
A. Central Africa B. Southern Europe C. Middle East D. all of these
The principle of uniformitarianism refers to the concept that:
A. evolution occurs in a uniform manner for every species B. the geological processes at work today are the same as those at work in the past C. the laws of heredity are universal D. all of these
Features that first appeared in the distant past and are shared by a large number of populations are called:
A. autapomorphic features B. shared (synapomorphic) derived features C. shared (symplesiomorphic) ancestral features D. archetypes