Question

write five characteristics of mamalia and analigs

Answer 1

mammalia-
1. these r warm blooded animals nd have mammary glands .
2. skin has hair as well as sweat and oil glands.
3. they have lungs for breathing.
4. they have four chambered heart.
5. sexes are seperate and fertilisation is internal. development is direct.
annelida-
1. may be aquatic or terrestrial ; free living and sometimes parasitic.
2. body is elongated , cylindrical nd segmented.
3. organ system level of organisation
4. triploblastic and bilaterally symmetrical
5. have nephridia for excretion nd chitinous setae and parapodia for locomotion