The variations a trait comes in tall or short is called:

The allele that will show if it is present is called

This only shows when both alleles are recessive present but not showing when dominant is present.

Both inherited alleles are the same TT or tt, this is called:

This inherits 1 dominant 1 recessive allele from parents

The physical trait is called the

The gene type is called:

This scientist used his observations of organisms from the Galapagos to help formulate his theory of evolution

This scientist based his theory of evolution on concepts such as the tendency towards perfection (Giraffes necks)

When members of each species have to compete for food, shelter, and other life necessities is called

An inherited trait that gives an organism an advantage in its particular environment is

A characteristic such as hair and eye color that has been passed from a previous generation.

Includes both the animals or plants physical habitat and how it has adapted to life in that habitat.

The process by which forms of life having traits that better enable them to adapt to specific environmental pressures.

The process by which living creatures have changed over time is called

When an organism becomes better fitted to survive and multiply in its environment.

An organisms observable characteristics which are influenced both by its genotype and by the environment.

When each living organism has descended, with changes from other species over time, this is called

The formation of a new species as a result of geographic, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other.

Is the set of genes that an organism carries.

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