Answer:
C
Explanation:
more people dying than being born
<span>A DNA molecule's structure is similar to a twisted ladder. The "rungs" of the ladder may be represented by the nucleotide bases such as adonine and thymine. The ribose sugar part and the phosphate groups of the nucleotide bases are located at the sides, on the "rails" of the ladder-like structure.</span>
The function of spinal cord is to transport information between different parts of the nervous system.
Nervous system has two parts:
Central nervous system
Peripheral nervous system.
Central nervous system includes brain. Peripheral nervous system includes spinal cord.
Spinal cord receives nerve impulses from body and transport it to the brain.
It also receives orders in form of nerve impulses which are transported to receptors for response.
low reproduction rates, hunting and most importantly habitat destruction