This is false. There are many factors, like climate, fires, pollution, etc.
This statement is true, because the warmer the temperature, the faster the atoms move in a liquid
A. endoskeleton
Endoskeleton is not a characteristic of Arthropods that has attributed to their diversity and success. Endoskeleton is defined as inner characteristics of the skeletal feature of an organisms such as bears, humans, fish and etc.
Exoskeleton on the other hand is the trait by which arthropods posses. It is skeletal feature that is described outside or is extrinsic, this is evident as crabs have their skeletons outside of their body.
I believe that hair and limbs are homology because all mammals have hair and similar limb structure. Hair loss and social behavior on the other hand are homolasy because not all mammals have them. Homology is the similar traits due to common ancestry while homoplasy is similar traits for other reasons other than common ancestry.
You could say variation in offspring (so cloning things they basically just multiple the exact same thing but with reproduction, whatever is made differs a little bit or a lot from its "parents"
