Answer: Energy is passed up a food chain or web from lower to higher trophic levels. This loss of energy explains why there are rarely more than four trophic levels in a food chain or web. Sometimes there may be a fifth trophic level, but usually there's not enough energy left to support any additional levels.
Explanation: :) Hope it helps
Answer:
has commercial uses
Explanation:
only anaerobic respiration. has commercial uses some exples would be the making of alcohol and yogurt
It means the substance can't mix or dissolve in water. This is because the molecules don't attract to eachother. Oil won't mix with water because it is non polar.
Answer: Meditation
Explanation: Meditation is an exercise where a person uses a method such as intentionally bringing one's awareness to encounters happening in the very period with no judgment or concentrating the psyche on a specific matter, reasoning or training. This is done to teach the mind the skill of the mental action of deeming or taking notice of somebody or something, and perception of reality or circumstance thereby attaining a mentally clear, emotionally quiet and firmly established condition.
Answer:
A. single-gene
Explanation:
It is controlled by a single gene that has two alleles. The allele for a widow's peak is dominant over the allele for a hairline with no peak.