<u>Answer</u>: an all or none response
According to the all-or-none law, it a certain threshol is crossed by a stimulus' strenght, it will cause a response in the nerve cell or muscle fiber. However, the strenght of the response will always be the same and will not vary with different stimulus strengths. The only requirement is for the threshold to be crossed.
Answer:
D shrub clippings
Explanation:
this is because they don't decompose like the other choice and are not rich in nutrients
Answer:Rhythm
Explanation:
This is because rhythms are repetitive, cyclical patterns of behavior generally. For example waking, eating are examples of rhythm for a baby.
The most appropriate answer would be Biotechnology. Biotechnology has provided the ability to regrow tissue for knee or hip joints. It uses biological systems that are believed to help the development of products that is reserved for specific use.
"chloroplast and animals" are not a match, since chloroplast only exists in plants and smalls cells for the purpose of utilizing photosynthesis. Animals do not require this process.