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svlad2 [7]
3 years ago
10

Over 400 years ago, the bark of the cinchona tree was discovered to contain a chemical compound called quinine. Quinine was, and

still is, used to cure and prevent malaria. This is an early example of __________
a. biotechnology b. scientific modeling
c. genetic engineering d. genomics
PLEASE HELP ITS A TEST
Biology
1 answer:
evablogger [386]3 years ago
5 0

Answer:

a

Explanation:

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Hello! :)

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3 years ago
Species can vary in several ways. Which of the following is one of Darwin's ideas that was accepted by most scientists of his ti
fenix001 [56]

Answer:

Due to the large number of fossils being discovered at that time Darwin proposed that species change over long periods of time.

Explanation:

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