Answer:
Some members of each group unicellular (& some colonial & some w/multicellular stages in life cycle)
-Mostly microscopic
No germ layer present
Specialized organelles; (found nucleus single or multiple, no organs or tissues)
-Free living, mutualism, commensalism, parasitism all represented in groups
-Locomotion by pseudopodia, flagella, cilia, & direct cell movements; some sessile
-Some provided w/simple endoskeleton or exoskeleton, but most naked
-Nutrition of all types
-Aquatic or terrestrial habitat
-Reproduction asexually by fission, budding, & cysts and sexually by conjugation or syngamy (union of male & female gametes to form zygote)
Explanation:
