Answer:
A
Explanation:
Passive transport does not require energy. The substances follow the concentration gradient, meaning they go from high to low. Active transport goes against the concentration gradient. Substances go from low to high, so it requires energy.
90% of the energy is lost to the environment as heat and only 10% is transferred per trophic level
Answer:
Hypoglycemia is a condition where your blood sugar is lower than normal
Its symptoms are fatigue, irregular heartbeat, pale skin, shakiness, sweating, hunger, and anxiety
Explanation:
A doctor need to study chemistry: To know and understand the chemicals processes of matter in the body work which is for example insulin, DNA etc. and to study of all processes in a living organism. The three reasons to study chemistry is because chemistry can be useful in clearing up the natural world, preparing people for career opportunities and producing informed citizens. Some outcomes of modern research in chemistry can lead to technologies that aim to benefit the environment, preserve and produce energy, progress human life and multiply our knowledge of the universe. To help the citizen be a more informed citizen is to let them know how things work makes better decisions and use them better
we have 300+300+50+350=1000 individuals
400 have the u2 gene
that means 40% or a frequency of 0.4
