Biology 0100 Final Exam CSCC Dr. Cronk Questions And Answers Rated A+

Abiotic - Non-living acid deposition (acid rain) - Release of sulfate and nitrate during theburning of coal contributes to ___________ Age of Angiosperms - Cenozoic Era 125 million years ago Age of Gymnosperms - Became the dominant plants. The Mesozoic is sometimes called the Age of Cycads. But their success was short-lived. . 390 million years ago Age of Mammals - Cenozoic Era- dinosaurs were gone. They began to flourish 65 million years ago Age of Reptiles - Mesozoic Era- dinosaurs ruled 250 to 65 million years ago Allele - An alternative form of a gene. "a form of gene, like purple or white color"Allopatric speciation - Formation of new species after a physical barrier seperated a population into groups that cannot interbreed. "A population of squirrels is seperated into two groups by flooding and sea level rise, which brings in a new stream. The squirrels can't cross teh stream. Over time, the two population became increasingly different and when members of the population are united, they are unable to reproduce together. " Analogous structures (convergent evolution) - Similar in function but not structure because of convergent evolution, not common ancestry "The wing of bat and the wing of an insect (A bat is a mammal and not closely related to the insect) Binomial nomenclature - A two naming system. by: Carolus Linnaeus Biodiversity - variety of life on earth Biological species concept - species are groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups Biomagnification - accumulation of pollutants at successive levels of the food chain Biotic - living things breeding in captivity - the reproduction of animals in confinement, not in their natural habitats Carbs - main source of energy carbs, lipids, proteins, nucleic acids - 4 types of macromolecules