74 results found

Search Results for: freshwater

Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of... Read More

Still Freshwater & Plants

Plants in the freshwater community provide a means of food for herbivores and harness new energy into the community as a... Read More

Freshwater Communities & Lentic Waters

Lentic (still water) communities can vary greatly in appearance, anything from a small temporary puddle to a large lake is... Read More

Freshwater Producers and Consumers

There are four main constituents of the living environment that form the freshwater ecosystem, they are as follows. ... Read More

Freshwater

Relating to or living in or consisting of water that is not salty; freshwater fish; freshwater lakes.Water that possesses... Read More

Pollution in Freshwater Ecosystems

As with all ecosystems, the existence and operations of human society inevitably have an effect on the way of life in a... Read More

Running Water Freshwater Communities

Running water freshwater communities are also known as lotic communities, lotic meaning running water. Lotic communities are... Read More

Freshwater Community Energy Relationships – Producers & Consumers

The previous tutorial on producers and consumers noted the reliance that organisms have on one another to obtain energy to... Read More

Freshwater Communities & Plankton

Plankton are microscopic organisms that live suspended in the water environment and form a very important part of the... Read More

Biome

Biome Definition What are biomes? There is no universal definition of biomes. But biome definition in biology of different... Read More

Running Water Freshwater Community Factors

This tutorial continues from the previous one, which introduced lotic (running water) communities. Here, some of the... Read More

Abiotic and Biotic Factors

Abiotic factors are essentially non-living components that affect the living organisms of the freshwater community. When... Read More

Arthropod

Arthropod Definition What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of... Read More

Still Water Animals

Through millions of years of evolution, animals living in an aquatic environment have diversified to occupy the ecological... Read More

Hypotonic solution

Hypotonic Solution Definition What is a hypotonic solution? It refers to a solution that contains a lower amount of solute... 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

Still Water Community Plants

Freshwater Plants & Water As mentioned in the previous tutorial about still water plants, the method of transpiration... Read More

Ecosystem

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

Lotic Communities & Animals

A running water environment offers numerous microhabitats that simulate favorable conditions for many types of animals to... Read More

Environment

Environment Definition What does environment mean? If you mean physical environment, then it is defined as the surrounding... Read More

Abiotic Factors – Water Conditions

Evidently, the light and heat from the sun play an important role in providing suitable conditions. However, the water... Read More

System

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... 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

Protist

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

Fish

While insects and similar types of organisms strived to occupy land, the sea was teeming with life aiming to secure their... Read More

Intermediate host

Intermediate Host Definition When looking at the relationships amongst different biological members of our biosphere, we... Read More

Animal Water Regulation

Homeostatic control, a set environment, and how evolution and natural selection drives a species to adapt to its environment... Read More

Biosphere

What is biosphere? The biosphere is that part of the Earth where living things thrive and live. It is the portion of the... Read More

Water

Water Definition (1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless,... 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

Palaearctic realm

Definition noun A biogeographic realm that covers Europe, Asia north of the Himalaya foothills, northern Africa, and the... Read More

The Water Cycle

The water cycle (sometimes referred to as the hydrological cycle) is the continuous transfer of water from air, sea land and... Read More

Glaucophyte

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

Cryptomonad

Definition noun, plural: cryptomonads Any of the species belonging to Phylum Cryptophyta, and characterized by being aquatic... 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

Arthropods

There are over two million species of arthropods, who initially arrived on Earth in the middle of the Cambrian period.... 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

Salinity

Definition noun, plural: salinities The degree of saltiness; the relative proportion of salt in a... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

Algae

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