Which of the following is an observation made by darwin that supports his theory of natural selection?
a. insects never produce offspring.
b. all organisms that are born survive.
c. more organisms are born than can survive.
d. insects produce many offspring but produce few eggs.

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.