Search Results for: frog
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
Euphlyctis hexadactylus
Definition noun A species belonging to the taxonomic family Dicroglossidae of the order Anura, and commonly called the green... Read More
Amphibians & Early Reptiles
Amphibia Definition (Science: zoology) Amphibia is one of the classes of vertebrates. The amphibia are distinguished by... Read More
Stannius ligature
Definition noun A ligature done in between the sinus venosus and the atrium or around the atrioventricular junction of an... Read More
Arrow poison
Definition noun Any toxin used for making arrow heads, spears, or darts poisonous Supplement Arrow poisons are toxins used... Read More
Food chain
Everything is a cycle in life. The way organisms consume their food also follows a cycle. This is usually described as the... 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
Sphenodon guntheri
Definition The tuatara species of the genus Sphenodon that inhabits one small island of New Zealand, i.e. Brothers... Read More
Herpetology
Definition noun The branch of zoology that deals with reptiles and amphibians Supplement Herpetology is a sub-discipline of... Read More
Sphenethmoid
Definition noun It designed to both sphenoid and ethmoid regions of the cranium that surrounds the anterior portions of the... Read More
Hyoid apparatus
Definition noun A group of bones comprised of hyoid body and two pairs of cornua (i.e. greater cornua and lesser cornua),... Read More
Sexual selection
What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More
Unequal cleavage
Definition noun A holoblastic cleavage producing blastomeres of unequal size. Supplement An example is the holoblastic... Read More
Y chromosome
Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More
Chromosome
Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More
Homologous structures
Homologous Structures Definition What are homologous structures? In biology, homologous structures are physical features... Read More