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☆☆☆☆☆a form of a gene apex
Penguins with certain traits, such as the ability to swim quickly, survived to reproduce, and pass on these traits to their young. Over time a population changes to reflect the pressures of the environment.
Scientists use many different things to study microevolution. One tool they use is called Mendel's Accountant, which allows realistic numerical simulation of the mutation/selection process.
the fossil record
*the number of species on Earth.
*the variety of species on Earth
*the variability of organisms within a single species.
Study Island question:
I, II, and III
The role of creativity in scientific discovery is best illustrated by Watson and cricks ball and stick model of DNA.
To perform a testcross, scientists cross an organism with an unknown genotype with a _____ organism.
Before the experiments of Hershey and Chase, some scientists thought traits were inherited through _____.
Adaptations result from interactions between organisms and their _____.
allele frequencies
At most one of the events can occur.
