Topic 11 - Pollination Flashcards
What are the three patterns of foraging behaviour by insects?
Central place foraging
Long distance migration
Random walking
Which bird pollinators have co-evolved with plants?
Hummingbirds (New World/Americas)
Sunbirds (Old World/Africa)
Honeyeaters (Australasia)
This is also an example of convergent evolution as they are in different phylogenic lines.
Which constituent of nectar increases the fecundity of butterflies?
Amino acids
Give an example of mechanisms by plants to avoid self-fertilisation.
Different sex flowers on same one plant (mono-ecious)
Different sex flowers on two different plants (dio-ecious)
How are ID keys often organised?
They are dichotomous - options arranged in pairs so you choose the most appropriate statement