The society of automotive engineers has established an accepted numerical scale to measure the viscosity of motor oil. For example, sae 40 motor oil has a higher viscosity than an sae 10 oil. Rank the following hydrocarbons by their expected viscosity.

Adult wasps sting caterpillars and inject their eggs into the caterpillars. the larvae feed on the caterpillars, leading to the death of the caterpillars. what kind of a relationship exists between the wasps and the caterpillars? a. the adult wasps are parasites to the caterpillars. b. the caterpillars are parasites to the wasps. c. the adult wasps are commensals, and the caterpillars are hosts. d. the caterpillars are commensals, and the adult wasps are hosts.