Distance between Two Docks Two docks are located on an east-west line 2587 ft apart. From dock A, the bearing of a coral reef is 58 22. From dock B, the bearing of the coral reef is 328 22. Find the distance from dock A to the coral reef.
Intro to Sexual Selection ➢ types of sexual characteristics ○ primary (genitals) ○ secondary ■ products of sexual selection ■ sexual dimorphism - two forms in species, that they are different ● almost always males that show secondary sexual characteristics ■ men have a faster potential reproductive rate because male reproductive success is less limited ● females limited by parental investment ➢ asymmetry in parental investment ○ females - eggs are large and limited, gestation period is long, lactation ○ males - sperm is cheap and plentiful ➢ challenges ○ males ■ quantity - male reproduction limited by quantity of fertile females
