[Solved] Which strategy is the best approach when initiating the physical examination of a 9-month-old male infant? A) Undress the infant and do a head-to-toe examination. B) Have the parent hold the child on his or her lap. C) Put the infant on the examination table and begin assessments at the head. D) Ask the parent to leave because the infant will be upset. Zooxanthellae: Photosynthetic algae found in close symbiotic relationships with marine invertebrates such as corals and sea anemones. Microscopic Algae: Tiny, often unicellular algae, not visible to the naked eye, that live in water and can perform photosynthesis. Phytoplankton: Microscopic floating algae and cyanobacteria that are the base of most aquatic food webs. Compare with zooplankton. See plankton and nanoplankton. Classification: The systematic organization of living things into categories based on shared attributes or evolutionary ancestry.