The correct answer should be Gene Expression :)
Answer:
A
Explanation:
Gregor Mendel was the “Father of Modern Genetics”, he studied genetics and traits by inheritance.
With less energy at higher trophic levels, there are usually fewer organisms as well. Organisms tend to be larger in size at higher trophic levels, but their smaller numbers result in less biomass. Biomass is the total mass of organisms at a trophic level.
Hope this helps! Please correct me if I'm wrong :)
Answer: 3 types
Explanation: igneous, sedimentary and metamorphic.
D) higher density than water