Respuesta :
The resources that male fiddler crabs competing for are space or shelter and ability to reproduce.
What is the fiddler crabs?
Fiddler crabs are also known as calling crabs, they are found in the sea beaches and brackish water.
They have shell, but as they grow they lose their shell. Male grow a large fiddle claw on one side.
Thus, the correct options are D, space or shelter, and E, ability to reproduce.
Learn more about male fiddler crabs
https://brainly.com/question/27425964
#SPJ2