The origin of a new cichlid species in an african lake due to sexual selection is an example of habitat selection. allopatric speciation. autopolyploidy. sympatric speciation.

Actual age your first developed of age well comparison age refers to absolute age true or false

What causes darkening of the skin as melanin production increases

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid