1
Also known as selective breeding.
2
The study of populations of organisms, especially the regulation of population size, life history traits such as clutch size, and extinction.
3
The application of the principles of biology to the study of physiological, genetic, and developmental mechanisms of behavior in humans and other animals.
4
The branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life
5
The science of drug action on biological systems. In its entirety, it embraces knowledge of the sources, chemical properties, biological effects and therapeutic uses of drugs.
6
The system of immune responses of an organism against its own healthy cells and tissues.
7
Scientific study of spiders, scorpions, pseudo-scorpions, and harvestmen, collectively called arachnids.
8
A microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles.
9
A class of drug used to kill bacteria.
10
A sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule, corresponding to a complementary codon in messenger RNA.
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The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
12
A chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.
13
A system of physical units-based on the meter, kilogram, second, ampere, kelvin, candela, and mole, together with a set of prefixes.
14
The vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves.
15
Stans for Ribolnucleic Acid
16
A numeric scale used to specify the acidity or basicity (alkalinity) of an aqueous solution. It is roughly the negative of the logarithm to base 10 of the concentration.
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