Incomplete dominance is when a cross between two true breeds (homozygous) having different genotypes and phenotypes result in an heterozygous offspring expressing a third trait, usually a blend of those of the parents.
An example is crossing between red and white roses resulting in pink roses.
The condition to conclude incomplete dominance is that the heterozygous individual expresses a trait which is different from, and is a blend of, the traits of the parents.
Cephalopods are strictly marine creatures, whose need to see through dark, murky water and blend in to colored choral beds is essential to their survival. Sharp eyes and the ability to change color helps.
Fossils, or preserved parts of organisms from the distant past, have shown that species change over time. Radiometric dating can be used to determine the age of fossils by measuring the how much of the radioactive materials in each rock layer have broken down.
