laboratory-reared population
1Monarch (butterfly) — Monarch Female Male …
2chemosterilant — /kee moh ster euh leuhnt, kem oh /, n. a chemical that causes an animal to become irreversibly sterile without changing its mating behavior or longevity. [1960 65; CHEMO + STERILANT] * * * ▪ pesticide any chemical compound used to control… …
3Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
4education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …
5genetics, human — ▪ biology Introduction study of the inheritance of characteristics by children from parents. Inheritance in humans does not differ in any fundamental way from that in other organisms. The study of human heredity occupies a central… …
6Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
7Tiger — This article is about the feline. For other uses, see Tiger (disambiguation). Tigress redirects here. For other uses, see Tigress (disambiguation). Tiger …
8environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
9Dusky darter — Scientific classification Kingdom: Animalia Phylum …
10radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
