Nematodes belong to a category of animals called "Ecdysozoa;" which of the following best describes why? a)Nematodes are worms.

b)Nematodes molt their exoskeleton.

c)Nematodes can be parasites.

d)Nematodes lack a head.

Match the order of the levels of organization in nature with the correct description. example: atoms are fundamental units of matter= level 1levels- 2,3,4,5,6,7,8.now what levels are these? population consists of organismscells consist of moleculesecosystems consist of communities interacting with there environmentmolecules consist of atomsthe biosphere consist of all ecosystems on earthcommunities consists of populationorganisms consist of cells