Answer:
1. The animal can't see what happening behind its head.
2. Head can be moved upto 180 degree angle in most of the animals including humans. But it is not true in case of birds.
Explanation:
Viruses are made up of DNA
The plant population would grow out of control
Answer:
I do not know
Explanation:
You did not explain it well.
1. gamete production
2. sperm transported near egg
3. fertilization
4. zygote forms
