Slide 1 1 PHYLUM ECHINODERMATA(means spiny skinned) ex: seastars, sea urchins, sand dollars, sea cucumbers, sea lilies Characteristics: 1. Radial (pentamerous) symmetry 2.…
Kelp Forest Ecosystem Kelp Forest Ecosystem and Trophic Cascades Trophic Levels The energy flow from one trophic level to the other is know as a food chain A food chain is…