WebFeb 23, 2024 · During reproduction, usually by cell division, the overlapping shell halves separate, and each secretes a (usually) smaller bottom half. Thus, individual diatoms formed from successive bottom halves show a … WebCharophytes are common in wet habitats, and their presence often signals a healthy ecosystem. The chlorophytes exhibit great diversity of form and function. Chlorophytes primarily inhabit freshwater and damp soil, and …

Seaweed Basic Biology

WebThe cells of most Chlamydomonas species are more or less oval and feature a noncellulosic membrane (theca), a stigma (eyespot), and a usually cup-shaped chloroplast. Although photosynthesis occurs, nutrients also may be absorbed through the cell surface. Asexual reproduction is by zoospores. Sexual reproduction is by formation of gametes. WebMar 11, 2024 · red algae, (division Rhodophyta), any of about 6,000 species of predominantly marine algae, often found attached to other shore plants. Their morphological range includes filamentous, branched, feathered, and … greenburgh nature center holiday market

Chloroplast movement - PubMed

They grow primarily in freshwater and saltwater, although some are found on land. They may be unicellular (one cell), multicellular (many cells), colonial (a loose aggregation of cells), or coenocytic (one large cell). Chlorophyta convert sunlight to starch that is stored in cells as a food reserve. See more Green algae have dark- to light-green coloration that comes from having chlorophyll a and b, which they have in the same amounts as "higher plants"—the plants, including seed plants and ferns, that have well … See more The habitat of green algae is diverse, ranging from the ocean to freshwater. Rarely, green algae can also be found on land, largely on rocks and trees, with some appearing on the surface of snow. They are common in areas … See more Like other algae, green algae serve as an important food source for herbivorous marine life, such as fish, crustaceans, and gastropods, including sea snails. Humans use green algae as food, too. and it has long been part of the … See more Some members of Chlorophyta are invasive species. Cladophora glomerata bloomed in Lake Erie in the 1960s because of phosphate pollution. The rotting algae washed up on beaches and produced an odor so foul that it … See more WebJan 10, 2012 · They move by using extensions of their cytoplasm, which are called pseudopodia. These pseudopodia bulge out and anchor to another surface. The cytoplasm then flows into the extension. To eat, amoeba surround bits of food and absorb them. They live in soil, and in both fresh and salt water. They reproduce through binary fission. WebMay 24, 2015 · Chlorophyll ais what makes plants green and is what absorbs light to kick off the process of photosynthesis. In water, much of light wavelengths that cholorophyll arely on are absorbed rapidly through the water column making chlorophyll amuch less efficient and making other pigments much more advantageous than they are on land. flower valley vineyard