reproductive strategies : K and R

Question 1

k-strategy

Answer 1

• elephants
• few offspring
• higher level of parental care
• greater survivorship
• tend to be climax species (slight more than environment can handle)

Question 2

r-strategy

Answer 2

• leatherback turtles
• larger amount of offspring
• little to no parental care
• low survivorship
• predation

Question 3

survivorship curves

Answer 3

• pattern of mortality
• convex curve : most become adult; mortality mainly when older
• higher parental care
• k-strategy
• straight line : fewer become adult; high mortality rate; once established improvement in life expectancy
• no parental care
• r-strategy