What type of relationship first existed between dogs and early humans?

A. commensalism
B. parasitsm
C. mutualism
D. competition

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.

Brendan made a diagram to compare and contrast the benefits of two types of social behavior. which description belongs in the area marked "z"? reproductionprotectionforaginghydro dynamic efficiency