Lecture 24 Flashcards
life history traits: important features of a species’ …, particularly traits that influence … and …
life cycle; survival; reproduction
trade-off between number of offspring produced and individual … of offspring
fitness
Life history traits:
- life …
- age at …
- frequency of …
- … (… of offspring)
- parental …
span; maturity; reproduction; fecundity; number; investment
organisms evolve different life history strategies to maximize …
different life history strategies involve trade-offs in investment in …, …, and …
lifetime fitness; growth; reproduction; survivorship
semelparous: …, …, reproductive effort
iteroparous: …. reproductive …
single; large; repeated; cycles
semelparous vs iteroparous
environmental …
relationship between … and …
variability; reproductive effort; success
high probability of dying: … of offspring more important
low probability of dying: … of offspring more important
quantity; quality
for birds, clutch size evolves to maximize … and minimize …
fitness; costs
age structure is the … of ages in a population
distribution
older individuals do not … and often …
reproduce; die
peak fecundity may only occur after attainment of … related to …
social status; age
(life history strategies) r-selected: … life history = adaptations to maximize .. .
k-selected: … life history = adaptations to maximize …
fast; quantity; slow; quality
