LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Hummingbirds have a beak just the right length to reach the nectar in a cardinal flower and as they feed their foreheads bump into the pollen structure. Cardinal flowers are red which hummingbirds can see but bees can’t. Cardinal flower’s pollen structure is just the right length for the hummingbird to pick up pollen as it feeds
A
Convergent
B
Divergent
C
Coevolution
D
None of the above
Explanation: 

Detailed explanation-1: -The Galapagos finches evolved through natural selection from a common ancestor into a wide variety of different looking species with different kinds of beaks.

Detailed explanation-2: -Horse evolution shows long stable periods of little evolution interrupted by brief periods of rapid change in which different species emerge. A kit fox lives in the desert and has large ears with greater surface area that keep the fox from getting overheated.

Detailed explanation-3: -"Punctuated” referred to the sudden appearance of morphologically distinct new species in the fossil record. “Equilibria” referred to the stasis that species exhibit following speciation.

There is 1 question to complete.