They are the source of new genetic variation
Answer:
As you age, your brain and nervous system go through natural changes. Your brain and spinal cord lose nerve cells and weight (atrophy). Nerve cells may begin to pass messages more slowly than in the past. Waste products can collect in the brain tissue as nerve cells break down.
Explanation:
Answer:the first blank is north the second blank is 24 hours the third blank is 365 days
Explanation:h
Answer:
Most liverworts can reproduce asexually by means of gemmae.
Explanation:
These are disks of tissues produced by the gametophytic generation. The gemmae are held in special organs known as gemma cups and are dispersed by rainfall.