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Regents Vocabulary 2

extinction Elimination of a species from Earth.
evolution Change of a species over time.
synthesis To make or build something.
hormone Chemical messengers that are sent through the bloodstream.
reproductive success The number of offspring an individual produces and rears to reproductive age.
genetic variability Each individual has a distinct set of genes among a species.
mutation A change in a gene or chromosome.
inability Not being able to do something.
lethal deadly; fatal
migration Movement from one place to another.
marine life Animals or plants that live in the oceans.
natural oil seeps Crude oil and natural gas naturally enter the ocean at areas known as "seeps." These hydrocarbons leak out of the ground through fractures in sediments.
tubeworms These organisms live over a mile deep, and up to several miles deep, on the floor of the Pacific Ocean near black smokers, and can tolerate extremely high hydrogen sulfide levels.
giant mussels The bivalve shell is usually 30
deep sea crabs
petrochemical A chemical made from petroleum or natural gas.
metabolism All of the chemical reactions that occur within an organism.
methane A gas with no colour or smell that is used as a fuel.
chemosynthesis To make food using chemicals instead of sunlight.
exploiting Taking advantage of something for one's own advantage.
adapt A changing to fit new conditions.
variation Changes between organisms.
natural selection A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
frequency How often.
gene frequency How often a particular gene occurs in the population.
survival value How an animal's behavior allows it to better survive.
atoms Basic unit of matter.
differentiation The process by which cells develop a specialized form and function. (Cell Specialization)
photosynthesis Plants use the sun's energy to convert water and carbon dioxide into sugars.
decomposers Bacteria and Fungi that break down dead organic matter.
Asexual Reproduction Process of reproduction involving a single parent that results in offspring that are genetically identical to the parent.
Mitosis Form of asexual reproduction. Used by unicellular organisms for reproduction and multicellular organisms for tissue repair.
Sexual Reproduction A reproductive process that involves two parents that combine their genetic material to produce a new organism, which is a combination of genes from both parents.
clone A group of genetically identical cells or organisms derived from a single cell or individual by some kind of asexual reproduction.
gamete Sex cells.
sex cells sperm and egg cells
chloroplasts A plastid containing chlorophyll; the site of photosynthesis.
Chlorophyll A green pigment found in the chloroplasts of plants, algae, and some bacteria.
Created by: jhshwood



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