Quick Answer: Is Algae Made Up Of One Or More Cells?

Is algae a plant or animal?

Algae are photosynthetic creatures.

They are neither plant, animal or fungi.

Many algae are single celled, however some species are multicellular.

Many, but not all of red and brown algae are multicellular..

Is algae a plant or protist?

Summary. Plant-like protists are called algae. They include single-celled diatoms and multicellular seaweed. Like plants, algae contain chlorophyll and make food by photosynthesis.

What causes algae to grow?

Some algal blooms are the result of an excess of nutrients (particularly phosphorus and nitrogen) into waters and higher concentrations of these nutrients in water cause increased growth of algae and green plants. As more algae and plants grow, others die.

What is single celled algae?

Unicellular algae are plant-like autotrophs and contain chlorophyll. They include groups that have both multicellular and unicellular species: Euglenophyta, flagellated, mostly unicellular algae that occur often in fresh water.

Does algae reproduce asexually?

Many small algae reproduce asexually by ordinary cell division or by fragmentation, whereas larger algae reproduce by spores. … Some green algae produce nonmotile spores called aplanospores, while others produce zoospores, which lack true cell walls and bear one or more flagella.

How do you classify algae?

There is three main Algae classification:Chlorophyceae – These are called green algae, due to the presence of pigments chlorophyll a and b. … Phaeophyceae – Also called as brown algae, they are predominantly marine. … Rhodophyceae – They are the red algae because of the presence of the red pigment, r-phycoerythrin.

Is kelp a plant or algae?

Kelp are large brown algae that live in cool, relatively shallow waters close to the shore. They grow in dense groupings much like a forest on land. These underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

Is algae a prokaryote?

Algae have since been reclassified as protists, and the prokaryotic nature of the blue-green algae has caused them to be classified with bacteria in the prokaryotic kingdom Monera.

What type of cells do algae have?

Algal cells are eukaryotic and contain three types of double-membrane-bound organelles: the nucleus, the chloroplast, and the mitochondrion. In most algal cells there is only a single nucleus, although some cells are multinucleate.

Where is algae found?

Algae are aquatic, plant-like organisms. They encompass a variety of simple structures, from single-celled phytoplankton floating in the water, to large seaweeds (macroalgae) attached to the ocean floor 2. Algae can be found residing in oceans, lakes, rivers, ponds and even in snow, anywhere on Earth.

Is algae a seaweed?

Seaweeds are a group of algae, and have some special characteristics viz. … All the seaweed species are autotrophic, whereas some algal species rely on other external food materials. Algae inhabit both freshwater and marine waters, while seaweeds inhabit only seawaters.

How many cells do algae have?

On this criterion, the multicellular brown and red algae (up to 14 cell types) are more complex than the multicellular green algae (up to 5 cell types), but are less complex than the embryophytes (up to 44 cell types).

What is algae made up of?

Algae is composed of ~ 50% carbon, 10% nitrogen, and 2% phosphorus. Table 10.3 shows the composition of various algae looking at the percentages of protein, carbohydrates, lipids, and nucleic acid.

Is algae a decomposer?

Producers, such as plants and algae, acquire nutrients from inorganic sources that are supplied primarily by decomposers whereas decomposers, mostly fungi and bacteria, acquire carbon from organic sources that are supplied primarily by producers.

What makes algae slippery?

If you were to scrape a bit of that slime off and put it on a glass slide, and look at it under a microscope, you would see a community of diatoms, blue-green, and green algae, single-celled animals, bacteria, fungi and lots of organic matter. This is what makes the rocks slippery.