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Determine if the following examples are directional, disruptive, or stabilizing selection and explain why: Butterflies in 2 different colors each represent a species distasteful to birds Brightly colored birds mate more frequently than drab birds of same species Fossil evidence of horse size increasing over time Average birth weight is 7 lbs.

Which of the following is the most likely sequence of events in geographic speciation?

Using the diagram above, please answer the following questions: a common ancestor for cyanobacteria and gracilicutes most closely related species least related species a common ancestor for chlorobacteria and hadobacteria

The scarlet tiger moth has the following genotypes.  Calculate the allele and genotype frequencies (%) for a population of 1612 moths, when 5 individuals are homozygous recessive:  aa = 5.

EXPLAIN (in detail) why natural selection is important to evolution.

A disorder or disease that develops due to a gene mutation, chromosomal problem, or other genetic factor is called an inherited disorder.

Epigenetics is a scientific field focusing on identifying the genetic and environmental sources of individual differences in a specific characteristic or trait, known as phenotype.

The risk of having a baby with a chromosomal disorder decreases with the mother’s age.