Our eyes water as a defense against a foreign body on the eye. When our eyes are irritated, due to an eyelash for example, our nervous system sends an impulse to our eyes to make them 'water' to irrigate the foreign body out of the eye.
Answer:
D. Adapt to environmental change
Explanation:
Organisms that cannot adapt to environmental change will die off. Our Earth is constantly changing. It is vital that organisms change with it.
Answer:
mitochondria and chloroplasts
Explanation:
the theory says that the bacteria which used oxygen and changed it to ATP molecules changed into mitochondria and those that used light energy to manufacture their own food changed into chloroplasts.this happened after the small prokaryotes which were bacteria were engulfed by the bigger prokaryotes of which some managed to survive and lived together through symbiosis hence the evolution to mitochondria and chloroplasts creating a eukaryotic cell.
Answer: Homeostasis
Explanation: The process of homeostasis is when self-regulation occurs in order to keep balance while adapting to changes.
