PLEASE ANSWER CORRECTLY THIS IS A BIG THIG AND IMMA GIVE !13+pointsonly if you are certain you know and thank you.
A population of mammals leaves an ecosystem because of increased temperatures and decreased rainfall. What’s the reason for this shift? *
A)change in food preferences
B)change in genetic makeup
C)change in abiotic factors

C

Explanation:

A is taking about the food they eat that didn't change

B is Talking about their genetic makeup, that deals with what is going on inside the body.

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