39 results found

Search Results for: zones

Primary productivity

Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More

Community Patterns

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

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Roots

Upon seed germination, the embryo root, called the radicle, grows and develops into the first root. The radicle may thicken... 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

Ecosystem

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

Habitat

Habitat Definition Habitat refers to the place or the location where an organism (or a biological population) lives,... Read More

Biodiversity

The biological world or life on earth is a marvel that has amazed us since time immemorial. The rich natural diversity of... Read More

Zonation

Definition noun (ecology) The categorization of biomes into zones based on their distribution or arrangement in a habitat... Read More

Deciduous forest

Deciduous Forest Definition A deciduous forest is a type of forest dominated by trees that lose their foliage at the end of... Read More

Seaweed

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

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Apple

Apple 1. The fleshy pome or fruit of a rosaceous tree (pyrus malus) cultivated in numberless varieties in the temperate... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Community (biology)

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

Brown algae

Brown Algae Definition Brown algae are algal species characterized by being multicellular and having a brown or... Read More

Adaptive zone

Definition noun, plural: adaptive zones An ecological opportunity for the development of adaptive radiation, enabling a... Read More

Animal Growth Hormones

Reviewed by: Mary Anne Clark, Ph.D. As mentioned in the previous tutorial, hormones are produced in... Read More

Apical bud

Apical Bud Definition The apical bud is the type of bud located at the top (apex) of the plant, particularly at the very... Read More

Ecological buffer zone

Definition noun A zone or an area that serves not for any anthropogenic use but as a conserved natural habitat where plants... Read More

C3 plant

Definition noun (botany) (1) A plant that utilizes the C3 carbon fixation pathway as the sole mechanism to convert CO2 into... Read More

Parapatric speciation

Definition noun A speciation in which the zones of two diverging populations are only partially separated that the species... Read More

Protist

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

Chronobiology

Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More

Disruptive Selection

An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More

Biennial

Biennial Definition What is a biennial plant? Biennial plants are those that live for two years and flower only “once”... Read More

Muscle plate

muscle plate --> myotome (Science: anatomy) A muscular segment; one of the zones into which the muscles of the trunk,... Read More

Sexual selection

What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More

A Look Into Natural Selection and its Mechanisms

Charles Darwin is credited with outlining the fundamentals of evolution. He was a smart and eager pupil and protégé, and... Read More

Sea Zonation

The classification of areas of the sea into different zones depending on the abiotic and biotic composition of factors that... Read More

Kingdom Animalia

Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More

Fibrocartilage

What Is Fibrocartilage? Fibrocartilage is the strongest transitional connective tissue made up of collagen fibers and... Read More

Rhizophora

Definition noun (botany) A genus of the family Rhizophoraceae which includes the true mangroves Supplement Rhizophora is a... Read More

Cilium

Cilia Definition Cilia are hair-like structures found on the surface of many types of cells, including some mammalian... Read More

Cortex glandulae suprarenalis

Cortex glandulae suprarenalis --> suprarenal cortex the outer part of the adrenal gland, consisting of three zones from... Read More

Convoluted

The word convoluted is often used to describe different things, especially structures or components, that have overlapped.... Read More

Homology

In biology, homology refers to similarities caused by shared ancestry between two structures or genes from distinct species.... Read More

Ectoplasm

Definition Of Ectoplasm The peripheral part of the cytoplasm which is clear, gel-like, rigid, and agranular part is known... Read More

Perineum

Definition noun, plural: perinea (anatomy) The region between the anus and the vulva; the region between the scrotum and the... Read More