This was because one cannot view a single strain of DNA as it is too small for one to visually comprehend.
Actually it is the females the mostly build the nests the males will help build it sometimes both males and females will build it but typically it is females and that goes for all birds.
"Females typically build nests, but sometimes both parents or just the male"
Chromosomes are Inherited From Your Parents. One chromosome from each of your 23 pairs came from each of your parents. The two chromosomes of a pair (except for the sex chromosomes) contain the same genes, but the genes have small differences. Things like SNPs make each copy of a gene uniquely Mom's or Dad's.
Answer:
1. Either porifera or asymmetrical
2. Invertebrate
3. filtering
4. Axis
5. I don't know this one, I'm sorry.
6. Exoskeleton
7. Cold-Blooded creature
8. Vertebrate
9. Endoskeleton
10. Warm-blooded animal
Good Luck! Hope I wasn't too late.