Biology Help! 10 Questions.?

Question

I am doing a project in Biology. Agnatha (Jawless fish), Amphibia,Aves, Mammalia, Osteichthyes(Bony fish), Reptilia

Which of these have these below there is more then one answer for the subjects listed:

1. Gills present in adults
2. Limbs end with claws/nails
3. Nourish young with milk formed by the female mammary glands
4. Many hollow bones
5.Paired fins present in adults
6. Well developed olfactory (smell) organs in head
7. Endothermic (warm blooded)
8. Lateral lines along body to detect pressures
9. Possess a swim bladder for body buoyancy
10. Mostly tetrapodal( Possessing 4 prominent limbs)

Will give best answer if correctly answered.

Answer 1

1. Agnatha, Osteichtheyes
2. amphibia, reptilia, aves, mammalia
3. mammalia
4. aves
5. Osteichthyes
6.mammalia ( i think, check on this one, it may be aves too)
7. aves, mammalia
8. osteichthyes
9.osteichthyes
10. amphibia, mammalia, reptilia

Answer 2

I think you need to spend a little time becoming familiar with the general characteristics of each group of organisms. These shouldn't be that hard for you to answer once you understand the basic characteristics which distinguish each of those groups, and what some examples of organisms in each group are.