BIOL 122 Lecture Notes - Lecture 4: Santa Barbara City College, Hypotrich, Inbreeding Depression
Document Summary
Many species alter their growth rates or change their shape in response to predators. Most species demonstrate various kinds of adaptations to predators. Euplotes (ciliate) changes morphology in the presence of its predator predator ten changes its morphology. Competing for resources favor the evolution of phenotypically plastic responses. Responses to high competition often exhibit phenotypic tradeoffs that. When mates are rare, reproduction can be a challenge. Many plants are hermaphrodites (can produce both male and female gametes) Cost: inbreeding depression; increased chance of passing down deleterious, recessive alleles (genetic diseases) In adaptation to low mate numbers, snails w/o mates self-fertilize their eggs. Temperature: many animals respond to changes in t by simply moving to. Many lizards select multiple microhabitats throughout the day different habitats. Physiological adaptations to abiotic water and temperature fluctuations include basking in sun and going underground at night daily metabolism and overall growth.
