A true-breeding long-eared owl mates with a true-breeding short-eared owl and all their many, many offspring were also short-eared. Ear length in owls is controlled by a single gene, E. What can you conclude about the parents’ genotypes? Choose all correct answers. The short-eared parent’s genotype must be ee. The short-eared parent’s genotype must be EE. The short-eared parent’s genotype must be Ee. The long-eared parent’s genotype must be Ee. The long-eared parent’s genotype must be ee. The long-eared parent’s genotype must be EE.

It will be option d

Explanation:

answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients:   open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures:   the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c