Bio 191 final exam - Study guides, Class notes & Summaries

An unlearned behavior directly linked to a stimulus that is carried to completion once initiated and is essentially unchangeable is _____. 1. one that requires parental teaching 2. operant conditioning 3. a conditioned response 4. not species specific 5. a fixed action pattern - ANSWERa fixed action pattern =Fixed action patterns are genetically determined behaviors that are stereotypic and species specific. They are not modified through learning, and they occur independent of prior ex...

How does internal fertilization facilitate life on land? - ANSWERInternal fertilization allows the sperm to reach the egg without either gametes drying out If a hermaphrodite self-fertilizes will the offspring by identical to the parent? Explain? - ANSWERNo. Owing to random assortment of chromosomes during meiosis the offspring may receive the same copy or different copies of a particular parental chromosome from the sperm and the egg. Furthermore, genetic recombination during meiosis will re...

How does internal fertilization facilitate life on land? - ANSWERInternal fertilization allows the sperm to reach the egg without either gametes drying out If a hermaphrodite self-fertilizes will the offspring by identical to the parent? Explain? - ANSWERNo. Owing to random assortment of chromosomes during meiosis the offspring may receive the same copy or different copies of a particular parental chromosome from the sperm and the egg. Furthermore, genetic recombination during meiosis will re...