Biomass energy-because it is the energy produced by living organisms!
Answer:
Birds, such as owls and eagles, have feathers and thin, hollow bones. Reptiles, such as snakes and lizards, have scaly skin and are ectothermic animals. Both possess a unique kind of egg called the amniotic egg.
!Hope It Helps!
The plasma membrane, because it's a selective permeable which means it only allows certain things in like sucrose.
I think burgess shells would be the answer