Select all the correct answers. When monitoring the species on an island, scientists found several members of a new species they had never seen before in their sample. What could this new species mean?

A native species has changed its range.

An invasive species has been introduced into the area.

The scientists failed to detect the species in their previous evaluations of the area.

The species isn’t a part of the ecosystem.

4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.