When Charles Darwin wrote his book On the Origin of Species, he provided evidence in support of
his hypothesis (now considered a theory) explaining the diversity of life. With Darwin's concepts in
mind, which of the following would be considered examples of natural selection and which would
be artificial selection?
Drag each item on the left to its matching item on the right. Note that every item may not have a match, while some items may have more
than one match.
artificial selection
+
natural selection+
Many different varieties of pigeons are bred
by hobbyists to highlight feather color and
texture.
Flowers with bright colors and sweet nectar
are regularly visited by butterflies, bees, and
other insects.
Marsupials in Australia demonstrate
adaptive traits analogous to those of similar
kinds of mammals in similar habitats on
other continents.
Heavy "humble bees" (the name given to
bumble bees in Darwin's day) pollinate
flowers that cannot be entered by smaller
bees.
Extinct mastodons and living elephants
show similar characteristics, with teeth well
adapted to eating trees and plants.