Evolutionary Biology Terms: Adaptation, Sexual Selection, Altruism, and More, Quizzes of Theory of Evolution

Download Evolutionary Biology Terms: Adaptation, Sexual Selection, Altruism, and More and more Quizzes Theory of Evolution in PDF only on Docsity! TERM 1 adaptation DEFINITION 1 a trait that increases the ability of an individual to survive or reproduce compared w/ individuals w/o the trait TERM 2 adaptive DEFINITION 2 a trait that increases the fitness of its bearer TERM 3 reaction norms DEFINITION 3 the pattern of phenotypic plasticity exhibited by a genotype TERM 4 genotype-by-environment interaction DEFINITION 4 differences in the effect of the environment on the phenotype displayed by different genotypes example: among people living in the same location some change their skin color w/ season & others do not TERM 5 monoecious DEFINITION 5 typically used for plants, to describe either: a species in which male & female reproductive function occur in the same individual a species in which separate male & female flowers are present on the same individual TERM 6 sexual dimorphism DEFINITION 6 a difference between the phenotypes of females versus males w/in a species TERM 7 sexual selection DEFINITION 7 a difference, among members of the same sex, between the average mating success of individuals w/ a particular phenotype versus individuals w/ other phenotypes TERM 8 parental investment DEFINITION 8 expenditure of time & energy on the provision, protection, & care of an offspring more specifically, investment by a parent that increases the fitness of a particular offspring & reduces the fitness the parent can gain by investing in other offspring TERM 9 intrasexual selection DEFINITION 9 differential mating success among individuals of one sex due to interactions w/ members of the same sex example: differences in mating success among males due to male-male competition over access to females TERM 10 intersexual selection DEFINITION 10 differential mating success among idividuals of one sex due to interactions w/ members of the other sex example: variation in mating success among males due to female choosiness