Which scientist studies biotic factors? a.) meteorologist b.) anthropologist c.) hydrologist d.
) climatologist

The scientist you're looking for is an anthropologist. 

Hello there.3. which type of muscle has muscle cells that connect to one another at junctions called intercalated disks? a. striated voluntary muscle b. nonstriated involuntary muscle c. striated involuntary muscle d. nonstriated voluntary muscleanswers:   striated involuntary muscle