1. B A reduction in competition.
2. C. Respiratory system
Answer: 0%
Explanation: white eyes is rr and red eyes is RR and if it had Rr it would still be red.
So the boxes filled in are rr and RR and offspring are Rr Rr Rr Rr which means there is no chance of a female offspring with white eyes (I think)
The correct answer is option D, difficulty of redesigning workable ecosystems
Reason -
The area that was redesigned into an ecosystem actually failed to attract the endangered species of clapper rails in California because of the following two reasons –
a) Failed attempt of restoration of Cord grass ( a tree which is a dominant tree in the nesting habitat of clapper rail) . Even if few such trees were there they could not grow to their full height and thus were incapable of providing adequate nesting cover
b) Due to the lack of predatory insect, some herbivore insect in the ecosystem attacked the green grasses thereby making the nesting inadequate.
D. type a mother and type b father because they don’t have blood type o from their parent
