What basic type of connective tissue acts as packing material?

one centimetre is equal to 0.01 metres

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

2%? i tried finding the exact sorry if it's not 100% correct ; -;