Drag the tiles to the correct boxes to complete the pairs. Match the terms with their definitions.

Dominant gene.
Phenotype.
Gene.
Genotype.

A sequence of DNA responsible for coding a protein ___.

The complete range of alleles an organism carries for a specific trait ___.

An allele that determines the outward trait of a heterozygous organism ___.

The observable characteristics of an organism ___.

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

The negative impacts of nonnative species generally outweigh the positive impacts

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.