You are a naturalist who traveled to the Galapagos Islands. Below are excerpts from field notes.
Next to each set of notes, write a heading. Use these choices: Overproduction
of Offspring,
Natural Selection, Struggle for
Existence, Variation.
7.
Field Notes
Female finches found on the Galapagos
Islands lay
enormous numbers of eggs.
8.
Field Notes
These finches compete for a particular
species of insect that inhabits the small
holes found in tree bark.
9.
Field Notes
Some finches' beaks are long, some are
short. The finches with long beaks are
better adapted to remove the insects
from the bark.
10.
Field Notes
The finches with the long beaks
survive and produce greater numbers
of offspring with long beaks.