Delgado Biology 141 Exam 1 Questions And Answers With 100% Correct Answers

the study of living things - biology what makes something "alive"? - cellular organization; ordered complexity; sensitivity; growth, development, and reproduction; energy utilization; homeostasis; evolutionary adaptation atoms joined together in clusters - molecules molecules assembled into tiny structures - organelles organelles are within membrane bound unites called - cells basic unit of life - cell group of similar cells which act as a functional unit - tissues body structures composed of many different tissues that act as a structural and functional unit - organs organs are grouped into.. - organ systems group of organisms of the same species living together - population all populations of a particular kind of organisms together - species all the populations of different species living together in one place - biological communitya major interacting system that includes organisms and their nonliving environments - ecosystem the entire planet can be thought of as an ecosystem that we call... - the biosphere novel properties arising from the way in which components interact - emergent properties applies general principles to predict specific results; the reasoning of mathematics and philosophy - deductive reasoning applies specific observations to make a generalization - inductive reasoning one variable is altered in a known way to test a particular hypothesis - test experiment variable is left unaltered - control experiment used in a scientific sense is the reference to the accepted general principle or body of knowledge - theory increases by a constant factor - geometric progression increases by a constant difference - arithmetic progression change in the genetic structure of population due to selective breeding by humans - artificial selection the differential production of genotypes; caused by factors in the environment; leads to evolutionary change - natural selection refers to similar structures that have the same evolutionary origin; refers to a pair of the same kind of chromosome in a diploid cell - homologoussimilar in function but different in evolutionary origin - analogous all living things are made up of cells; cells come from preexisting cells - the cell theory formed by two long chains of building blocks called nucleotides, wound around each other - DNA basic unit of heredity; a sequence of dna nucleotides that encodes a protein, tRNA or rRNA molecule or regulates the transcription of such a sequence - gene the entire set of DNA instruction that specifies a cell - genome