Crepuscular animal

A crepuscular animal is one that is active primarily during the twilight period, being matutinal, vespertine, or both. This is distinguished from diurnal and nocturnal behavior, where an animal is active during the hours of daylight and of darkness, respectively. Some crepuscular animals may also be active by moonlight or during an overcast day. Matutinal animals are active only before sunrise, and vespertine only after sunset.

Tegmen

A tegmen designates the modified leathery front wing on an insect particularly in the orders Dermaptera (earwigs), Orthoptera, Mantodea, Phasmatodea and Blattodea (cockroaches

Perennial water

Perennial water body usually refers to mainly liquid fresh water, as opposed to sea and glaciers or other ice. Most frequently the term refers to running water as in perennial streams and large rivers, but the distinction between perennial and non

Arachnoid (botany)

Arachnoid as a descriptive term in botany, refers to organs such as leaves or stems that have an external appearance similar to cobwebs from being covered with fine white hairs, usually tangled. Such material is one common cause of plants having a grey or

Convolute (botany)

Convolute as a verb literally means to "roll together" or "roll around", from the Latin convolvere. In general application the word can mean to "tangle" or "complicate", but in botanical descriptions convolute usually is an adjective from the Latin

Merluccius capensis

Merluccius capensis is a ray-finned fish in the genus Merluccius, found in the south-eastern Atlantic Ocean, along the coast of South Africa. It is a long, lean fish with a large head, similar in appearance to the European hake and the deep-water Cape

Lonchaeoidea

The Lonchaeoidea are a superfamily of generally small or very small black flies with large heads. It contains two families, the Lonchaeidae and the Cryptochetidae. The superfamily was established by G. C. Griffiths in 1972 and came into general use as

Statary

Statary is a term currently applied in fields such as ecology, ethology, psychology. In modern use it contrasts on the one hand with such concepts as migratory, nomadic, or shifting, and on the other with static or immobile. The word also is of historical

Aggregation (ethology)

In ethology, an aggregation is any form of gathering of organisms and the process of coming together. In some forms groups of unrelated species might form, in which interaction between members of the aggregation might be minimal; for example herds of

Oldenburgia paradoxa

Oldenburgia paradoxa Less. is a species in the genus Oldenburgia, in the family Asteraceae

7p22.1 microduplication syndrome

7p22.1 microduplication syndrome is a newly discovered genetic disorder which is characterized by cranial and facial dysmorphisms, intellectual disability, and motor-speech delays. It is caused by a duplication of the p22.1 region of chromosome 7