<span>The natural selection.
Natural selection is the differences in survival and reproduction as the consequence of differences in phenotypes.
In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. So genotypes variations are responsible for phenotypes and, thus, help the survival of species in a particular location.</span>
<span>Ptosis refers to drooping of an upper eyelid of one or both eyes. The droop may be hardly visible, or the lid can move down over the entire pupil. Ptosis can affect both children and adults, however more often than not happens for the reason that of aging. In some cases, droopy eyelid is caused by additional grim circumstances, such as a stroke, brain tumor, or cancer of the nerves or muscles. Neurological disorders that affect the nerves or muscles of the eyes , such as myasthenia gravis can also lead to ptosis.</span>
When dissolved in water, hydrogen ions are released from acids and hydroxyl ions are released from bases Good luck!
Answer:
The animal cell includes: a nucleus, cytoplasm, cell membrane, mitochondria and ribosomes
Explanation:
These are all the structures of a basic animal cell, depending on which grade you are they get more complex. If so, then you can just ask me!
Hope this helps! :)
Answer:
what are your choices becasuse
Explanation:
there are types like oil pollution radioactive waste urban devlopement plastics