The short thick break in birds is an adaptation for
crushing seeds
sucking nectar
tearing flash
straining mud
The basking of Agama lizards in the sun is to
change the colour of their body
raise their body temperature to become active
fight to defend their territories
attract the female for courtship
The significance of a very large number of termites involved in nuptial swarming is to
provide birds with plenty of food
ensure their perpetuation despite predatory pressure
search for a favourable place to breed
ensure that every individual gets a mate
The use and disuse of body parts and the inheritance of acquired traits were used to explain
Darwin's theory
Lamarek's theory
genetic drift
gene flow
From his study of Galapagos finches, Darwin derived his theory of evolution from
comparative anatomy
comparative physiology
fossil remains
comparative embryology