In order to use a punnett, square we must know the of an individual
phenotype.
traits.
dna.
genotype.

*will mark brainliest* which of the following best describes a viral infection, such as the common cold? a. virus grow and develop in the body. b. virus are living organisms. c. viruses require host cells in the body. d. viruses can be treated with antibiotics.

Which of the following would be an important part of a multi-step plan to restore the stability of the red-cockaded woodpecker's ecosystem?

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided