There's lots of food for the larvae to eat once hatched. Evolutionarily beneficial so the larvae won't starve
From what I can tell, The answer is either A or B. Mammals have what is called an Endoskeleton, which means that their skeletons are inside their bodies. A way to remember this is Exo- is similar to exit and when you exit something then you are going outside. Endo- sounds like into, which can relate to being on the inside. Insects have Exoskeletons, which are made from Chitin. Now Agonists are also called Prime Mover muscles, which means they are practically the same thing.
Proteus- This organism is found on decaying bottom vegetation of freshwater streams and ponds.
Animalcules- This organism is commonly found in muddy swamps or canals.
Dubia- This organism is found on pipe surfaces and bulk water.
Functionalism. It is according to the concept 'survival of the fittest'