1. They possess coanocytes
2. They are uni cellular
3. They all are marine
4. They reproduce only asexually
They possess coanocytes
1. Felis domestica
2. Rana tigrina
3. Corvus corvus
4. Labeo rohita
Corvus corvus
1. ostrich
2. emu
3. aptery
4. rhea
emu
1. Thylacinus
2. Natoryctus
3. Myrmecobius
4. Phascolarctes
Natoryctus
1. True coelom
2. Exoskeleton
3. Haemocoel
4. Malpighianbody
Malpighianbody
1. 6
2. 5
3. 3
4. 1
1
1. Muscle cells
2. Nerve cells
3. Gland cells
4. Sensory cells
Nerve cells
1. ova
2. yolk cells
3. shell
4. mucous cells
yolk cells
1. Adaptive radiation
2. convergent evolution
3. Parallel evolution
4. retrogressive evolution
convergent evolution
1. anus
2. curved tail
3. bursa
4. caudal spine
bursa