This question is very very urgent:- a. What is the reason for different types of silk?
b. Why are eggs laid by female silk moths warmed?
c. After how many days, caterpillars stop eating and start to spin cocoons?

Explanation:

i think b. is the warmer the weather, the quicker the Silkworm will complete its life-cycle,

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.