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Urchin mobs can actually dis-arm a predator

algae: Single-celled organisms, as soon as thought-about vegetation (they aren’t). As aquatic organisms, they develop in water. Like inexperienced vegetation, they rely upon daylight to make their meals.

anatomy: (adj. anatomical) The examine of the organs and tissues of animals. Or the characterization of the physique or components of the physique on the premise of construction and tissues. Scientists who work on this subject are referred to as anatomists.

urge for food: A want to eat or drink, typically due to starvation.

conduct: The way in which one thing, typically an individual or different organism, acts in the direction of others, or conducts itself.

behavioral ecologist: A scientist who research how animal conduct pertains to the place animals reside.

biologist: A scientist concerned within the examine of residing issues.

chemical: A substance fashioned from two or extra atoms that unite (bond) in a hard and fast proportion and construction. For instance, water is a chemical made when two hydrogen atoms bond to at least one oxygen atom. Its chemical components is H2O. Chemical additionally may be an adjective to explain properties of supplies which can be the results of numerous reactions between completely different compounds.

colleague: Somebody who works with one other; a co-worker or staff member.

protection: (in biology) A pure protecting motion taken or chemical response that happens when a species confronts predators or brokers that may hurt it. (adj. defensive)

density: The measure of how condensed some object is, discovered by dividing its mass by its quantity.

weight loss program: (n.) The meals and liquids ingested by an animal to supply the vitamin it must develop and keep well being. (v.) To undertake a particular food-intake plan. Individuals could undertake a particular weight loss program for spiritual or moral causes, to deal with meals allergy symptoms, to regulate their physique weight or to regulate a illness corresponding to hypertension or diabetes.

ecologist: A scientist who works in a department of biology that offers with the relations of organisms to at least one one other and to their bodily environment.

ecosystem: A gaggle of interacting residing organisms — together with microorganisms, vegetation and animals — and their bodily setting inside a selected local weather. Examples embody tropical reefs, rainforests, alpine meadows and polar tundra. The time period can be utilized to parts that make up some a man-made setting, corresponding to an organization, classroom or the web.

ethology: The science of conduct in animals, together with people, from a organic standpoint.

Fisheries and Oceans Canada: A division of the federal authorities with duty for managing the well being of Canada’s fisheries, oceans and freshwater assets (lakes and rivers). Along with working the Canadian Coast Guard, it additionally conducts analysis throughout 17 institutes, laboratories and facilities.

invertebrate: An animal missing a spine. About 90 p.c of animal species are invertebrates.

kelp: A kind of enormous seaweed that’s normally a sort of brown algae. They develop underwater and type giant forests, offering habitat for a lot of organisms. Some kelp forests are so giant they are often seen from area.

actually: A time period that the phrase that it modifies is exactly true. As an illustration, to say: “It is so chilly that I am actually dying,” implies that this particular person truly expects to quickly be lifeless, the results of getting too chilly.

marine: Having to do with the ocean world or setting.

marine biologist: A scientist who research creatures that reside in ocean water, from micro organism and shellfish to kelp and whales.

nervous system: The community of nerve cells and fibers that transmits alerts between components of the physique.

offense: (in biology) A pure intentional motion taken by a species to regulate prey or tackle challengers. (adj. offensive)

organ: (in biology) Varied components of an organism that carry out a number of specific features. As an illustration, an ovary is an organ that makes eggs, the mind is an organ that is sensible of nerve alerts and a plant’s roots are organs that soak up vitamins and moisture.

physiologist: A scientist who research the department of biology that offers with how the our bodies of wholesome organisms perform beneath regular circumstances.

predator: (adjective: predatory) A creature that preys on different animals for many or all of its meals.

untimely: Too early; earlier than one thing ought to happen. Untimely births, as an example, are when infants are born weeks or months early — doubtlessly earlier than they’re prepared for all times on their very own, outdoors their mother’s protecting womb.

danger: The prospect or mathematical chance that some unhealthy factor would possibly occur. As an illustration, publicity to radiation poses a danger of most cancers. Or the hazard — or peril — itself. (As an illustration: Amongst most cancers dangers that the folks confronted had been radiation and consuming water tainted with arsenic.)

sea stars: One other identify for starfish, these animals should not true fish. They’re associated to sand {dollars}, sea urchins and sea cucumbers.

species: A gaggle of comparable organisms able to producing offspring that may survive and reproduce.

starfish: A kind of sea creature that’s formed like a star. Starfish, also called sea stars, should not true fish. They’re associated to sand {dollars}, sea urchins and sea cucumbers.

tactic: An motion or plan of motion to perform a selected feat.

expertise: The applying of scientific information for sensible functions, particularly in business — or the gadgets, processes and methods that outcome from these efforts.

urchin: Small, spine-covered sea animals with out eyes or limbs that are associated to sand {dollars} and starfish.

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