Which organ system has a similar function as the exoskeleton of an insect?

Explain the side effects of cancer treatments

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates