Well...
This question is unclear. but.
A dominant trait always shows over recessive. Unless! Someone has two recessive alleles, otherwise that dominant trait would not show. Cause they don't have it in their genes.
Answer:
Mass, Density, and Pressure
There are 46 chromosomes that are responsible for all the information passed from parents to children
Answer:
I think it would be C
Explanation:
Invasive species can cause a lot of problems and have a big impact on the ecosystem.
The answer would most likely be B, this is because the more animals that are birthed, the more that will live and grow (assuming that they have enough resources for them).
Hope this helps!