Adaptation

relates to things happening efficiently

in lilies, gene for sepal mutated - changed to look like petals
to attract more insects

- efficiency -

signals
liles:
petal - signal to bee - nectar
scent
sugar (reward)
----- plants invest energy to get the insect to pollinate it

grass:
grass doesn't invest energy in colour, scent, or sugar
- produces lots of pollen because its reproductive strategy is risky (wind)
invest energy in other things

adaptations/efficiency - putting/investing energy into things

vector for pollination - insect/wind
other vectors include birds, animals, water