Through the process of photosysthesis plants convert solar energy into chemical energy in the form of carbohydrates. The different levels of the pond floor provide the water depth needed for each type of plant. Habitat Elodea and hornwort are submerged plants living entirely under water. Water lilies roots are under water while the pads float on the surface. Arrowhead grow close to the pond edge and can survive if the pond lowers as the summer becomes drier.
Cattails live in marshy areas at the edge of ponds.
Niche Elodea provides oxygen under the water. Hornwort provides food to tadpoles. Waterlilies provide shade to the pond and animal shelter. Arrowhead provides food, animal hiding places, and resting spots for emerging nymphs. Cattails provide food, animal hiding places, and resting spots for emerging nymphs.