32 results found

Search Results for: fish habitat

Fish habitat

Fish habitat The aquatic environment and the immediately surrounding terrestrial environment that, combined, afford the... 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

Ecosystem diversity

Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Chordata

Chordata Definition What is Chordata? Chordata is the phylum of the animal kingdom that includes a large number of animal... Read More

Allopatric speciation

We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Community (biology)

Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More

Ecosystem

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

Sympatric speciation

Speciation is a process of evolution through which two different existing populations evolve and a distinct species form. It... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

Symbiosis

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

Macrophytes

Introduction    Examples of Macrophytes. (Source: Canada's AquaticEnvironments) ... Read More

Community Patterns

By: Maria Victoria Gonzaga In the previous lesson, we learned what a population is, its attributes, and processes... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Blindness – Evolutionary regression? Maybe not!

The recent Netflix's hit flick, Bird Box, surely startled the viewers with the thrilling scenarios revolving around the... Read More

Zooplankton

Definition noun Animal or animal-like constituent of plankton, comprised mainly of freely floating protozoa, small... Read More

Kelp

The swaying and winding of kelp in the ocean currents has an entrancing, hypnotic quality that would be the envy of the... Read More

Ecological Research: Measuring & Analysis

By: Maria Victoria Gonzaga Previously in this lesson, we learned that high biodiversity is essential to a healthy... Read More

Locomotion

Definition noun The ability of cells or organisms to move and propel itself from place to place Supplement Locomotion in... Read More

Analogous structures

In evolutionary biology, analogous structures are defined as biological structures having similar or corresponding functions... Read More

Aquatic

Definition adjective Of, relating to, or pertaining to water Supplement In biological context, the term aquatic is used to... Read More

New Zealand’s Biodiversity

Written by: Maria Victoria Gonzaga Peer-reviewed by: Cathy Buntting, Ph.D. and Andrea Soanes Why is New... Read More

Bears

Bears Definition Bears are mammals belonging to the family Ursidae. They typically have massive bodies, coarse heavy fur,... Read More

Sensitive species

sensitive species (Science: ecology, zoology) species that can only survive within a narrow range of environmental... Read More

Brown bear

Brown Bear Definition The brown bear (Ursus arctos) is a large bear species. In North America, brown bears are often... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Algae

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

Erythrocyte

Definition noun, plural: erythrocytes A blood cell with hemoglobin-rich cytoplasm and whose main function is to transport... Read More

Endemic

Endemic Definition Endemic (adj.) means native to a particular area or region or an exclusive characteristic of a thing,... Read More

Intermediate host

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