Planktonic algae: alternatives and connections

microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica

microscopic organisms found in plankton

photosynthetic or plant constituent of plankton; mainly unicellular algae

the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water

plankton that inhabit rivers

animal constituent of plankton; mainly small crustaceans and fish larvae

(botany) a plant that completes its entire life cycle within the space of a year

(botany) a natural swelling or enlargement: at the base of the stalk or seta in certain mosses or on the cone scale of certain conifers

(botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes

(botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usuall…

(botany) a swelling on a plant similar to that on the skin

(botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid

(botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and support…

(botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)

(botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth; "we cultivate the f…

(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower

(botany) a minute rudimentary plant contained within a seed or an archegonium

(botany) a slender tubular outgrowth from a spore in germination