<span>Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes. However, unlike prokaryotic cells, eukaryotic cells have: a membrane-bound nucleus. numerous membrane-bound organelles (including the endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria)</span>
There not the same because the tilt of the earth axis is 22 degrees.The sun is directly overhead at either one of the tropics of Cancer or Capricorn every six months giving high temps in these regions.If there wasn't any tilt in the earth axis there will be no season's.
Frequently changing their surface proteins
Answer:
This is generally called evolution. Species adapt to their surroundings to survive. Sometimes parts are added to help them, other times things are taken away to help them. Features are added to their bodies and minds to help them survive. Over time their bodies change.
Their individual properties are lost.
