Symbiosis can vary between mutualism, parasitism, and commensalism, tho these grade into each other, it is often difficult to tell which is involved in a given relationship.
Answer:
all of the above
Explanation:
All the statements are true that is Sweating is an example of positive feedback because when you sweat your body becomes hot and your inner body becomes cool. Shivering is an example of negative feedback because shivering occurs when there is cold in the body and can lead to sickness. The nervous system is responsible for sensing changes in the environment because it is responsible for sensing what's going on in our body.
The nucleus is responsible for storing dna as well as the instuctions for protein synthesis
