29 results found

Search Results for: plant association

Plant association

plant association A grouping of plant species, or a plant community, that recurs across the landscape. Plant associations... Read More

Symbiosis

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

The consequences of antibiotic use in horticulture

Leading articles Frederick R. Falkiner* Department of Clinical Microbiology, Trinity College, Dublin; Central Pathology... Read More

Commensalism

Commensalism Definition What is commensalism? Literally, commensalism is a Latin word that means ‘to eat at the same... 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

Chimera

When we learned about the basic genetics of biological life, we came to know that almost all the cells of an individual have... Read More

Parasitism

Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More

Microbe

Microbe Definition What is a microbe? How do we define microbes?  Microbes refer to microorganisms that cannot be seen by... Read More

Null hypothesis

Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More

Macrophytes

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

Seed Plants

There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered... Read More

Mutualistic symbiosis

Mutualistic Symbiosis Definition In order to understand what a mutualistic symbiotic relationship means, we will break down... Read More

Bears

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

Algae

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

Moisture

Definition noun (1) The presence of slight to moderate amount of liquid, especially water (2) The characteristic of being... Read More

Obligate parasite

Parasitism is a form of symbiosis that occurs between a parasite and its host. The parasite is the organism that generally... Read More

Nitrogen fixation

Definition noun The conversion of atmospheric nitrogen (N2) into a more usable form by natural means, such as by the... Read More

Monounsaturated fat

What is monounsaturated fat? Monounsaturated fats are healthy dietary fats. They are liquid at room temperature. Unlike... Read More

Triglyceride

Definition noun, plural: triglycerides An energy-rich compound made up of a single molecule of glycerol and three molecules... Read More

Autocrine signaling

Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More

Community (biology)

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

Host

Host An organism that is infected with or is fed upon by a parasitic or pathogenic organism (for example, a virus, nematode,... Read More

Adaptation

Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting behavior, physiology, or... Read More

Vascular Plants: Ferns and Relatives

These plants are seedless plants, but unlike the bryophytes, they do have vascular tissue (xylem and phloem). Because of the... Read More

Ribosome

A biological cell is composed of many components called organelles. These organelles serve their specific purposes to make... Read More

Root nodules

Root nodule (Science: plant biology) globular structure formed on the roots of certain plants, notably legumes and alder, by... Read More

Density dependent factor

Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More