Answer:
1. D
2. B
Explanation:
1.They inject the virus when sucking out the blood.
2. Bear/Mouse because bears don't seek out and eat mice.
A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis. DNA and RNA molecules are written in a language of four nucleotides; meanwhile, the language of proteins includes 20 amino acids. Codons provide the key that allows these two languages to be translated into each other.
Answer:
A
Explanation:
The living organisms that influence and shape an ecosystem are called biotic factors. They are divided into 3 categories:
Producers: Plants, algae and autotrophic bacteria
Consumers: Animals
Decomposers: Bacteria, Fungi