Search results
Results From The WOW.Com Content Network
List of animal names. Mother sea otter with sleeping pup, Morro Bay, California. In the English language, many animals have different names depending on whether they are male, female, young, domesticated, or in groups. The best-known source of many English words used for collective groupings of animals is The Book of Saint Albans, an essay on ...
Some chromosomal sex determination systems in animals. A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. [ 1] Most organisms that create their offspring using sexual reproduction have two common sexes and a few less common intersex variations.
Mozambique tilapias often travel in groups where a strict dominance hierarchy is maintained. Positions within the hierarchy correlate with territoriality, courtship rate, nest size, aggression, and hormone production. [36] In terms of social structure, Mozambique tilapias engage in a system known as lek-breeding, where males establish ...
The list of organisms by chromosome count describes ploidy or numbers of chromosomes in the cells of various plants, animals, protists, and other living organisms. This number, along with the visual appearance of the chromosome, is known as the karyotype, [ 1][ 2][ 3] and can be found by looking at the chromosomes through a microscope.
The XY sex-determination system is a sex-determination system used to classify many mammals, including humans, some insects ( Drosophila ), some snakes, some fish ( guppies ), and some plants ( Ginkgo tree). In this system, the sex of an individual usually is determined by a pair of sex chromosomes. Typically, females have two of the same kind ...
The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different sources give different numbers of classes and phyla. For example, Protura, Diplura, and Collembola are often considered to be the three orders in the class Entognatha. This list should by ...
Family ( Latin: familia, pl.: familiae) is one of the nine major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. [ 1] A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are ...
Hermaphrodite. v. t. e. Sexual dimorphism is the condition where sexes of the same species exhibit different morphological characteristics, including characteristics not directly involved in reproduction. [ 1] The condition occurs in most dioecious species, which consist of most animals and some plants.