Answer:
The spinal cord is made up of bundles of nerve fibers. It runs down from the brain through a canal in the center of the bones of the spine. These bones protect the spinal cord. Like the brain, the spinal cord is covered by the meninges and cushioned by cerebrovascular fluid.
lol im only 14!
Answer:
There are many way's we change local ecosystems one way is urbanization.
Explanation:
If the human race keeps building on more land ecosystems will die out and animals will become extinct.
A. It is a disease of people
Answer:
B) proteins in the cell will include lysine instead of phenylalanine at amino acid positions specified by the codon UUU
Explanation:
The possible cause for a decrease in ecosystem productivity is : B. a decrease of the biodiversity o an ecosystem
Decrease in biodiversity means that there will be less organisms that support each other to maintain the balance in the ecosystem, which eventually decrease its productivity