The pelican's beak is adapted for in .
a) fishing; coastal waters
b) hunting; wooded habitat
c) catching insects; plains.
d) fishing; mountain streams

Option A, fishing; coastal waters

Explanation:

Pelicans are type of birds which have pouch like beak which have the ability to expand to catch the fish.  

A pelican usually goes to coastal areas for fishing, it fills its expanded pouch with fish and water. Once the pouch is filled, it squeezes out the water and the fishes left out are swallowed.  

American white pelican uses beaks to scoop up the fish.  

The correct answer is option A, fishing; coastal waters  

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).