Invasive pest species have an impact on a forest in several ways. Provide an example of one species AND explain specifically how the species is harmful to the tree.

Which codon is the code for the amino acid histidine (his)?

In a cladogram' when does a group of organisms branch off

Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell