Answer:
Natural selection
Explanation:
Natural selection occurs when one allele (or combination of alleles of different genes) makes an organism more or less fit, that it is able to survive and reproduce in a given environment. If an allele reduces fitness, its frequency will tend to drop from one generation to the next.
Maintenance of normal fluid homeostasis requires all of these except caloric balance within the selections provided.
I am not sure what your selections are; this is your answer above however.
Answer:
No
Explanation:
This is because oxygen will not be available for breathing and energy will not be released for cellular activities because photosynthesizing organisms have chlorophyll and trap light energy ffrom sunlight , using carbondioxide and water to produce glucose and oxygen. Oxygen is the by product which is the gas that is inhaled by living organisms during respiration and also break glucose to release ATP. Therefore without these organisms, respiration will be difficult.
The Answer Is : Acid Drainage
Heavy rain fall in a region means that the river will expand in size to accommodate the xtra h20. it reshapes the shore line. moving h20 over time can change the land features.