Answer:
skin is the answer please and brainlest pleaaasssseeee
1. The ability to maintain consistent conditions inside an organism, eg temperature regulation
2. The process of producing new organism with only one parent
3. The smallest unit of life, what all living things are/are made of
4. A stimulant is a change in conditions and response is how an organism reacts to the change, eg touching a hot pan and pulling your hand away
Im pretty sure its either the liver or kidneys <span />
Answer:
<em>The correct option is A) increase in atmospheric O2</em>
Explanation:
The nerve cells and the muscle cells suggest that the the presence of oxygen in the atmosphere was an adaptive radiation which brought the existence of different animals. The conditions became favorable for different animals to survive on Earth only when the availability of oxygen improved in the atmosphere. As animal cells like the muscle cells require a constant supply of oxygen, we can hence say that increase in atmospheric oxygen was the adaptive radiation for supporting many group of animals.
Answer:
A
Explanation:
'pest' means insect and '-icide' means to kill, so pesticide literally means bug killer.
