PETE 2031 Chapter : IMG 2384
Document Summary
Characteristics of living organisms: complex and organized, minerals/ energy from environment, maintain internal conditions- homeostasis, growth, respond to stimuli, reproduction, evolution- only population. Domains of life: eukarya- eukaryotic, bacteria- prokaryotic, archaea- prokaryotic. Domain eukarya: kingdom proista: mostly unicellular; larger than prokaryotes, kingdom fungi: multi cellular, feed by absorbtion, kingdom plantae: photosynthesis, kingdom animalia: multicellular; fed by ingestion. Scientific method: observation, hypothesis- explanation, experiment- test, conclusion. If conclusion does not support hypothesis , restate hypothesis. Parts (+) nucleus- made up of protons and neutrons (-) electron- made up of electrons (cloud/ shell) Molecule: two or more atoms --- o2, co2, h2. Compound: molecules composed of different atoms- nh3, no2. Which of the following are properties of all life forms: reproduction involving dna, photosynthesis, growth and development, only a and c, a, b, and c. Which of these taxonomic categories is the most inclusive: genus, class, phylum, family, order.
