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Golden algae

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

Definition

Algae

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

Definition

Chrysophyta

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

Definition

Protist

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

Definition

Goldfish

Goldfish (Science: zoology) a small domesticated cyprinoid fish (Carassius auratus); so named from its colour. It is native... Read More

Definition

Bull

Bull Of or pertaining to a bull; resembling a bull; male; large; fierce. Bull bat, the pine snake of the united states. Bull... Read More

Definition

Female

Female 1. An individual of the sex which conceives and brings forth young, or (in a wider sense) which has an ovary and... Read More

Definition

Green algae

Green Algae Definition Green algae (singular: green alga) are photosynthetic algae that are characterized by having... Read More

Definition

Demographic transition

The demographic transition model is a theoretical framework that explains the historical shift in population dynamics as a... Read More

Definition

Felinae

Definition noun A taxonomic subfamily belonging to the family Felidae, and includes the genera Acinonyx, Caracal, Catopuma,... Read More

Definition

Helminthology

Definition noun A branch of zoology that particularly deals with the helminths, particularly the parasitic... Read More

Definition

Xanthophyceae

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

Definition

Apoenzyme

Enzymes are biological catalysts that can increase the rate of chemical reactions in living organisms. Enzymes can only... Read More

Definition

Eponychium

The eponychium is the layer present underneath the proximal nail fold that produces cuticles on the nail.... Read More

Definition

Buttercup

Buttercup (Science: botany) a plant of the genus ranunculus, or crowfoot, particularly R. Bulbosus, with bright yellow... Read More

Definition

Mung

Definition noun (1) Mung bean: the seed of Vigna radiata. (2) A plant of the genus Vigna in the Fabaceae family, native to... Read More

Definition

Gravitaxis

Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More

Definition

Predation

In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of... Read More

Definition

Slender

slender 1. Small or narrow in proportion to the length or the height; not thick; slim; as, a slender stem or stalk of a... Read More

Definition

Expression vector

Definition noun, plural: expression vectors A plasmid containing the required regulatory sequences specifically used for the... Read More

Definition

Commensalism

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

Definition

Hermaphrodite

We all know that typically living organisms are divided into two main categories of sex-based on their biological structure.... Read More

Definition

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

Definition

Mole

Definition noun, plural: moles (chemistry) (1) The SI unit of amount of substance of a chemical system that contains as many... Read More

Definition

Dinoflagellate

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

Definition

Dew

Dew 1. Moisture from the atmosphere condensed by cool bodies upon their surfaces, particularly at night. Her tears fell with... Read More

Definition

Code

Code The genetic code is the correspondence between the triplet of bases in dna with the amino acids. The discovery of the... Read More

Definition

Genus

Genus Definition A genus is a taxonomic category ranking used in biological classification that is below family and above... Read More

Tutorial

New Zealand’s Unique Fauna

By: Maria Victoria Gonzaga In the previous lesson, we learned about the high biodiversity of New Zealand and how... Read More

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