Name: ___________________
Date: _________ Blk: _____
1.
Evolution Worksheet
Classify the type of selection that best fists with each example
co-evolutio, selective breeding, directional selection, stabilizing selection, disruptive selection
a. The average size of human babies are approximately 6- 7 lbs.
b. The brains of modern humans are large than that of our distant
ancestors.
c. Galapagos islands have a variety of finches.
d. There are many varieties of domesticated cats, all descended from an
ancestral cat.
e. Dalmatians are black with white spots in the wild but are now white
with black spots.
f. White and black rats are more subject to predation by eagles than
brown rats.
g. Orchids have developed so that only a specific insect can pollinate the
flower.
h. Snails shells tend to be yellow in the grassy areas and green in the
wooded areas.
i.
At the grocery store, there are red, green, seedless, seeded grapes.
j.
A particular sea snail is capable of eating poisonous sea anemones.
Stabilizing
Directional
Select
Select/Disrupt
Stabilizing
Co-Ev
Disrupt
Select
Disrupt
2.
Match the following scientist (Malthus, Lamarck, Darwin, Kettlewell) with the following:
a. Predation of the moths by birds
Kettlewell
b. Use it or lose it
Lamarck
c. Differences in organisms make them more (or less) likely to survive
Darwin
d. Environment acts as a selector for traits that help an individual survive Darwin
e. Essay on human population influenced Darwin's thinking
Malthus
f. If you train hard and become a marathon runner, your kids will be
Lamarck
good runners, too
g. If you have traits than make you a good runner, you will pass them on Darwin
to your children
3.
Match the observations below with the evidence category that best fits.
analogous structures, comparative biochemistry, comparative embryology, homologous structures, vestigial
structures
a. the iguana's and the horse's foreleg have the same bone pattern.
Homo
b. sharks and killer whales both have a dorsal fin for maintaining stability Analogous
in the water.
c. humans no longer use their body hair to keep warm.
Vest
d. human fetuses grow, and then lose, a short tail.
Comp. Em
e. the more distantly related are two species, the more differences there
Comp. Bio
will be in the structure of their cellular proteins.