LIFESCI 1 Final: Comprehensive Notes for Final Exam
Document Summary
What are the major groups of vertebrates and what characteristics does each group have? (a) fish cartilaginous fish or bony fish (chondrichthyes vs osteichyes) And what are the advantages/disadvantages? (a) sexual vs. asexual (b) internal vs. external fertilization (c) oviparity vs. viviparity (d) anadromous vs. catadromous (e) protogyny vs. protandry. What is ecology? (a) the relationships of organisms to one another and to their environment. What is the relationship between a biotic community and an abiotic environment? (a) organisms living in an abiotic environment = environ affects how organisms adapt. How is understanding a species" size, range/distribution, and density important to the study of ecology? (a) size, range, and density defines populations. How do these factors change as a population approaches its carrying capacity k? (a) factors = birth, immigration, death, emigration (b) as it approaches carrying capacity k, birth = death and immigration = emigration.
