162 results found

Search Results for: algae

Algae

Algae are photosynthetic organisms that possess photosynthetic pigments such as chlorophyll. However, they lack true roots,... Read More

Green algae

Green algae (singular: green alga) are photosynthetic algae that are characterized by having chlorophylls a and b as the... Read More

Red algae

The red algae belong to the phylum Rhodophyta which literally was derived from the Greek word ῥόδον (rhodon), meaning... Read More

Brown algae

Brown algae are algal species characterized by being multicellular and having brown or greenish brown color. The color is... Read More

Microalgae

Microalgae are microscopic algae. They are single-celled algae that may exist independently or in colonies. They are... Read More

Lotic Communities & Algae

In general, the diversity of plant species in a lotic community is small compared to that of a still water (lentic)... Read More

Golden algae

In phycology, the golden algae are algal species that are found mostly in freshwater. They are also called the chrysophytes.... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Characean algae

Characean algae (Science: organism) class of filamentous green algae exemplified by the genus chara, in which the mitotic... Read More

Cell wall

The cell is the structural, functional, and biological unit of all organisms. It is a membrane-bound structure containing... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Chlorophyta

Chlorophyta is a taxonomic group (a phylum) comprised of green algae that live in marine habitats. Some of them are found in... Read More

Algology

Definition noun (botany) The scientific study of algae (medicine) The branch of medicine that is concerned with the study... Read More

Chrysophyta

Definition noun (phycology) A phylum comprised of chrysophytes (golden algae), xanthophytes (yellow-green algae), and... Read More

Charophyta

Charophyta is a taxonomic group (a phylum) comprised of green algae that live predominantly in freshwater habitats. Members... Read More

Phycology

Definition noun The scientific study of algae or seaweeds Supplement Phycology is a branch of biology that is concerned with... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Unicellular

Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More

Glaucophyte

Definition noun, plural: glaucophytes Any of the freshwater microscopic algae of the Kingdom... Read More

Archaeplastida

Definition noun A taxonomic kingdom of the domain Eukaryota that includes land plants, green algae, red algae, and... Read More

Seaweed

A seaweed refers to any of the macroscopic marine algae. They include the conspicuous, multicellular algal species of... Read More

Dinoflagellate

A dinoflagellate is a flagellate algae characterized by their two flagella of unequal length. One of the flagella is lying... Read More

Substrate

Substrate Definition What is a "substrate"? The underlying substances or layers are termed as substrate. The definitions of... Read More

Decomposer

Decomposer Definition The organisms that carry out the process of decay or break down of the dead organism are known as... Read More

Euglenophyta

Definition noun (phycology) In old taxonomic classification, a phylum of the Kingdom Protista and comprised of the... Read More

Cyanobacteria

Cyanobacteria is a phylum comprised of photosynthetic bacteria that live in aquatic habitats and moist soils. Others are... Read More

Protista

Definition noun A taxonomic kingdom in old system of classification (i.e. five kingdom scheme), comprised of species... Read More

Kelp

Definition noun, plural: kelps A brown seaweed of the order Laminariales Supplement The kelp is a brown seaweed... Read More

Xanthophyceae

Definition noun A taxonomic class comprised of the xanthophytes (yellow-green algae) Supplement Xanthophyceae is a taxonomic... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Freshwater Lentic Communities & Animals

Plants that live partially or completely submerged in water are deemed hydrophytes. A form of symbiosis occurs with these... Read More

Biotic factor

Biotic Factor Definition Biotic factors (also known as biotic components) are the living component in an ecosystem. The... Read More

Eubacteria

Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More

Mutualism

Mutualism Definition What is mutualism? In biology and ecology, a mutualism is a form of symbiosis that is characterized by... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Chloroplast

Chloroplast Definition What is chloroplast? In biology, a chloroplast refers to the organelle found within the cell of... Read More

Intercalary meristem

The basic structural framework of plants is composed of different types of tissues. Based upon the capacity to divide, the... Read More

Mannitol

Definition noun plural: mannitols man·ni·tol, ˈmæn ɪˌtɔl A sugar alcohol with a sweetish taste, occurs naturally in... Read More

Xanthophyte

Definition noun Any of the yellow-green algae comprising the taxonomic class, Xanthophyceae Supplement Xanthophytes, also... Read More