Can someone help me please?

for the first one its most likely dark morph, for the second one light morph

Explanation:

Birds are sight hunters so that means that they look for their food so in this case the moths on the dark tree that has a dark morph will not be seen but the moth with light morphs on a dark tree will be seen and eaten, and the opposite with light trees but if the tree is speckled the speckled moth will survive depending on the color of the tree. I hope this wasn't too confusing for you.

the answer to you question is   jet streams

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs