Image by Dorothy Birch Back ina landmark paper in Science changed how everyone thought about cownose rays. These smiley aquarium ambassadors suddenly became the most hated fish in the Atlantic.
A study of biology includes the study of the chemical basis of living organisms, DNA. Other related sciences include microbiology and organic chemistry. The word science comes from a Latin word scientica, which means knowledge, or information.
Science is a process of systematically gathering detailed information and gaining exact knowledge. We do not know all the "life" information secrets but we are learning more every day. The three biological life cycle s, are; Zygotic meiosis, Sporic meiosis, and Gametic meiosis, Amoeba - one basic life form.
Amoebas and there are many different kinds feed by phagocytosis the engulfing and ingesting of foreign particles or waste matter by phagocytes --they flow around their prey usually a smaller cell and engulf it.
Organism that eat other organisms are usually called "consumers". The amoeba's cell membrane then fuses with itself, trapping the prey in a "food vacuole" where it will be digested. In the first place, no slight inconvenience results from too great separation beween branches of study which serve for the perfection of one art.A.
Anal appendages: Male odonates possess one (in dragonflies, in which animals also possess an epiproct) or two (in damselflies) pairs of appendages at the base of the abdomen, which are used as claspers for holding the female during copulation.
The shape of the upper and/or lower appendages may be an important diagnostic feature in some . Turtle: Turtle, any reptile with a body encased in a bony shell, including tortoises.
The turtle shell has a top (carapace) and a bottom (plastron). The carapace and plastron are bony structures that usually join one another along each side of the body, creating a rigid skeletal box. The largest living chelonian is the leatherback sea turtle (Dermochelys coriacea), which reaches a shell length of cm ( ft) and can reach a weight of over kg (2, lb).Freshwater turtles are generally smaller, but with the largest species, the Asian softshell turtle Pelochelys cantorii, a few individuals have been reported up to cm ( ft).
Boating Georgian Bay offers cruising sail boats and powerboats a complete directory covering Tobermory thru the 30, Islands and up into the North Channel.
Spectacular yachting vacation destinations, boating tips and news pertaining to North America's premiere boaters paradise. The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member.
Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. Some feed exclusively on fish, while others hunt marine mammals such as seals and other dolphin species.
They have been known to attack baleen whale. Feb 24, · The market to support the culls, however, wasn’t as easy a sell. “I’m a great fan of Virginia’s sustainable seafood choices, like clams, oysters and striped bass,” Barrow wrote, “but.