7. Approximately ___ of what we taste is determined by the sense of smell.
A. 1/3
B. 50%
C. 2/3
D. 80%
E. 99%

Ture or false evidence for evolution includes millions of fossils

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate