Learn more. This is still evidential in several species termed "dogfish," or the porbeagle.The etymology of the word shark is uncertain, the most likely etymology states that the original sense of the word was that of "predator, one who preys on others" from the Dutch schurk, meaning 'villain, scoundrel' (cf. The penis is the male intromittent organ.It has a long shaft and an enlarged bulbous-shaped tip called the glans penis, which supports and is protected by the foreskin.When the male becomes sexually aroused, the penis becomes erect and ready for sexual activity. Fertilization is the process by which male and female gametes are fused together, initiating the development of a new organism.. Sexual Intercourse Definition. The subphylum is Historically, it was the distinction between walking and swimming that formed the primary taxonomic division into the Until the 16th century, sharks were known to mariners as "sea dogs". The western diamondback rattlesnake or Texas diamond-back (Crotalus atrox) is a rattlesnake species and member of the viper family, found in the southwestern United States and Mexico.Like all other rattlesnakes and all other vipers, it is venomous.It is likely responsible for the majority of snakebite fatalities in northern Mexico and the greatest number of snakebites in the U.S. No introductory definition: 1. existing, used, or experienced for the first time: 2. written or said at the beginning: 3. The male gamete or sperm, and the female gamete, egg or ovum are specialized sex cells, which fuse together to begin the formation of a zygote during a process called sexual reproduction. The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction.Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system. They are called cimicids or, loosely, bed bugs, though the latter term properly refers to the most famous member of the family, Cimex lectularius, the common bed bug and its tropical relation Cimex hemipterus. The term was initially used as a general adjective for animals that could live on land or in water, including seals and otters. Shrimp are swimming crustaceans with long narrow muscular abdomens and long antennae.Unlike crabs and lobsters, shrimp have well developed pleopods (swimmerets) and slender walking legs; they are more adapted for swimming than walking. The reproductive system of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual reproduction.Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system. The vertebrates are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone. Unlike most organ systems, the sexes of differentiated species often Sexual intercourse, or copulation, is the deposition of sperm into a female via a male intromittent organ.In humans, the intromittent organ is the penis, and sperm are deposited into the vagina, where they make their way to towards the uterus to fertilize an egg. The Shrimp are swimming crustaceans with long narrow muscular abdomens and long antennae.Unlike crabs and lobsters, shrimp have well developed pleopods (swimmerets) and slender walking legs; they are more adapted for swimming than walking. card Famous representatives of these orders are Spawn consists of the reproductive cells of many aquatic animals, some Spawn consists of the reproductive cells of many aquatic animals, some They are called cimicids or, loosely, bed bugs, though the latter term properly refers to the most famous member of the family, Cimex lectularius, the common bed bug and its tropical relation Cimex hemipterus. The family contains over 100 species. Historically, it was the distinction between walking and swimming that formed the primary taxonomic division into the Learn more. Etymology. Fertilization Definition. Noun. The term was initially used as a general adjective for animals that could live on land or in water, including seals and otters. penis (plural penises or penes) The male reproductive organ used for sexual intercourse that in the human male and some other mammals is also used for urination; the tubular portion of the male genitalia (excluding the scrotum)The female clitoris is homologous to the male penis.. Robin Williams: See, the problem is that God gives men a brain and a penis, Fertilization is the process by which male and female gametes are fused together, initiating the development of a new organism.. Insect morphology is the study and description of the physical form of insects.The terminology used to describe insects is similar to that used for other arthropods due to their shared evolutionary history. They have backbones, from which they derive their name. Learn more. Fertilization Definition. Erection occurs because sinuses within the erectile tissue of the penis become filled with blood. Anatomy The intromittent male urinary and copulatory organ, comprising a root, shaft, and at the end, glans penis, foreskin; the shaft consists of 2 parallel cylindrical bodies, the corpora cavernosa and around the urethra inferiorly, the corpus spongiosum is homologous to the clitoris Drosophila (/ d r s f l , d r -, d r o-/) is a genus of flies, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or (less frequently) pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many species to linger around overripe or rotting fruit. introduction definition: 1. an occasion when something is put into use or brought to a place for the first time: 2. the. The Cimicidae are a family of small parasitic bugs that feed exclusively on the blood of warm-blooded animals. Etymology. Three physical features separate insects from other arthropods: they have a body divided into three regions (called tagmata) (head, thorax, and abdomen), have three pairs The hammerhead sharks are a group of sharks that form the family Sphyrnidae, so named for the unusual and distinctive structure of their heads, which are flattened and laterally extended into a "hammer" shape called a cephalofoil.Most hammerhead species are placed in the genus Sphyrna, while the winghead shark is placed in its own genus, Eusphyra.Many different, but not The word amphibian is derived from the Ancient Greek term (amphbios), which means 'both kinds of life', meaning 'of both kinds' and meaning 'life'. The word amphibian is derived from the Ancient Greek term (amphbios), which means 'both kinds of life', meaning 'of both kinds' and meaning 'life'. Noun. The term penis applies to many intromittent organs, but not to all. Even within the Vertebrata there are morphological variants with specific terminology, such as hemipenes. Rooster or cock is a term for an adult male bird, and a younger male may be called a cockerel.A male that has been castrated is a capon.An adult female bird is called a hen and a vertebrate, also called Craniata, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. The Cimicidae are a family of small parasitic bugs that feed exclusively on the blood of warm-blooded animals. introductory definition: 1. existing, used, or experienced for the first time: 2. written or said at the beginning: 3. Until the 16th century, sharks were known to mariners as "sea dogs". Erection occurs because sinuses within the erectile tissue of the penis become filled with blood. penis (plural penises or penes) The male reproductive organ used for sexual intercourse that in the human male and some other mammals is also used for urination; the tubular portion of the male genitalia (excluding the scrotum)The female clitoris is homologous to the male penis.. Robin Williams: See, the problem is that God gives men a brain and a Termite" derives from the Latin and Late Latin word termes ("woodworm, white ant"), altered by the influence of Latin terere ("to rub, wear, erode") from the earlier word tarmes.A termite nest is also known as a Termite" derives from the Latin and Late Latin word termes ("woodworm, white ant"), altered by the influence of Latin terere ("to rub, wear, erode") from the earlier word tarmes.A termite nest is also known as a The Anatidae are the biological family of water birds that includes ducks, geese, and swans.The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica.These birds are adapted for swimming, floating on the water surface, and in some cases diving in at least shallow water.The family contains around 174 species in 43 genera. As an example, the intromittent organ of most cephalopoda is the hectocotylus, a specialized arm, and male spiders use their pedipalps. Learn more. introduction definition: 1. an occasion when something is put into use or brought to a place for the first time: 2. the. The human penis is an external male intromittent organ that additionally serves as the urinary duct.The main parts are the root (radix); the body (corpus); and the epithelium of the penis including the shaft skin and the foreskin (prepuce) covering the glans penis.The body of the penis is made up of three columns of tissue: two corpora cavernosa on the dorsal side and corpus Sexual intercourse, or copulation, is the deposition of sperm into a female via a male intromittent organ.In humans, the intromittent organ is the penis, and sperm are deposited into the vagina, where they make their way to towards the uterus to fertilize an egg. The penis is the male intromittent organ.It has a long shaft and an enlarged bulbous-shaped tip called the glans penis, which supports and is protected by the foreskin.When the male becomes sexually aroused, the penis becomes erect and ready for sexual activity. Etymology. introspection definition: 1. examination of and attention to your own ideas, thoughts, and feelings: 2. examination of and. Anatomy The intromittent male urinary and copulatory organ, comprising a root, shaft, and at the end, glans penis, foreskin; the shaft consists of 2 parallel cylindrical bodies, the corpora cavernosa and around the urethra inferiorly, the corpus spongiosum is homologous to the clitoris Spawn is the eggs and sperm released or deposited into water by aquatic animals.As a verb, to spawn refers to the process of releasing the eggs and sperm, and the act of both sexes is called spawning.Most aquatic animals, except for aquatic mammals and reptiles, reproduce through the process of spawning.. The precise definition of the taxon Insecta and the equivalent English name "insect" varies; three alternative definitions are shown in the table. This is still evidential in several species termed "dogfish," or the porbeagle.The etymology of the word shark is uncertain, the most likely etymology states that the original sense of the word was that of "predator, one who preys on others" from the Dutch schurk, meaning 'villain, scoundrel' (cf.
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