Ascientist makes the argument that two species of butterflies should be considered the same species because they have similar dna, similar wing length, and similar migration patterns. the butterflies also have variations in color patterns and different mating seasons.

Describe how alleles and genes are related

Anton created a chart listing different types of materials. which best complete the chart?

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures