Scientists have cited gas emission as contributing to , which is a general increase in temperatures worldwide.

Draw a punnett square to show a cross between a chocolate lab that is homozygous dominant for the epistatic gene and a black lab that is heterozygous for the epistatic gene and homozygous for the color gene. describe the genotype and phenotype of the possible offspring.

Why is planting a wide variety of plant species better than planting only one type? a) diversity is best for the environment. b) a wide variety would mean less wear and tear on the soil. c) it would lead to desertification prevention. d) combining biological and chemical controls are the conditions of a healthy farm.

One gene controls the synthesis of one