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60 terms
Terms | Definitions |
|---|---|
 adaption | a trait that helps an organism survive and reproduce |
| antibody | a substance produced by the body that destroys or inactivates an antigen that has entered the body |
| cilia | short structures projecting from a cell and containing bundles of microtubules that move a cell through its surroundings or move fluid over the cell's surface |
| eyespot | an eyelike marking (as on the wings of some butterflies) |
| gamete | a mature sexual reproductive cell having a single set of unpaired chromosomes |
| unicellular | having or consisting of a single cell |
| hydra | small tubular solitary freshwater hydrozoan polyp |
| meiosis | (genetics) cell division that produces reproductive cells in sexually reproducing organisms |
| planarian | A free-living flatworm found in unpolluted ponds and streams. |
| mammal | vertebrate animal whose female suckles its young |
| exoskeleton | hard protective structure developed outside the body, as the shell of a lobster |
| protein | any of a large group of nitrogenous organic compounds that are essential constituents of living cells |
| ribosome | ... |
| segmentation | Division of an animal body along its length into a series of repeated parts called segments |
| MOTILE | one whose prevailing mental imagery takes the form of inner feelings of action |
| transgenic | genetically modified organism whose source of new genetic material is a different species |
| vector | a variable quantity that can be resolved into components |
| gamete | a mature sexual reproductive cell having a single set of unpaired chromosomes |
| dominant | (music) the fifth note of the diatonic scale, trait that will show up in an organism's phenotype if gene is present |
| heterozygous | having two different alleles for a trait |
| amino acid | basic building blocks of protein molecules |
| bacteria | single-celled organisms that lack a nucleus; prokaryotes |
| cell wall | strong layer around the cell membrane in plants, algae, and some bacteria |
| DNA | Deoxyribonucleic acid |
| fission | a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy |
| genus | a classification grouping that contains similar, closely related organisms |
| host | an animal or plant that nourishes and supports a parasite |
| mitosis | part of eukaryotic cell division during which the cell nucleus divides |
| nucleotide | a phosphoric ester of a nucleoside |
| invertebre | animal without a spine |
| appendage | a part that is joined to something larger |
| dna fingerprint | an individual's unique banding pattern on an electrophoresis gel, determined by restriction fragments of the person's DNA |
| protist | free-living or colonial organisms with diverse nutritional and reproductive modes |
| rna | ribonucleic acid |
| species | (biology) taxonomic group whose members can interbreed |
| taxonomy | a classification of organisms into groups based on similarities of structure or origin etc |
| translation | rewording something in less technical terminology |
| virus | a harmful or corrupting agency |
| homozygous | having two identical alleles for a trait |
| recessive | The inherited characteristic often masked by the dominant characteristic and not seen in an organism. |
| autotroph | an organism that makes its own food |
| binary fission | the division of a prokaryotic cell into two offspring cells |
| chromosome | a threadlike body in the cell nucleus that carries the genes in a linear order |
| eukaryote | organism whose cells contain nuclei |
| flagella | long, thin, whip-like structures, with a core of microtubules, that enable some cells to move |
| multicellular | made of many cells |
| heterotroph | an organism that cannot make its own food |
| sponge | primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework |
| mutation | (genetics) any event that changes genetic structure |
| parasite | an animal or plant that lives in or on a host (another animal or plant) |
| vertebre | a backbone |
| double helix | two strands of nucleotides wound about each other; structure of DNA |
| prokaryote | unicellular organism lacking a nucleus |
| replication | the act of making copies |
| scientific name | genus and species |
| sessile | attached directly by the base |
| transcription | the act of making a record (especially an audio record) |
| vaccine | a preparation of weakened or killed pathogens |
| heredity | the biological process whereby genetic factors are transmitted from one generation to the next |
| genetics | the branch of biology that studies heredity and variation in organisms |
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