Male fireflies emit light patterns to attract female firefli…

Male fireflies emit light patterns to attract female fireflies for mating. A group of entomologists are studying the light patterns of closely related but distinct species of fireflies in Ohio. They are investigating what might happen when the ranges of these two species intersect. Which of the following outcomes might they see evidence for in their research? 

The phylogenetic tree below depicts the relationship among a…

The phylogenetic tree below depicts the relationship among a group of mammals called ungulates and an outgroup. The name “ungulate” means “hoofed animal” as ungulates typically have hoofs on their feet and all descended from a common ancestor with hoofs. Use this information and the phylogenetic tree to answer the following three questions.    The trait for hoofed feet is best represented by which letter? [Letter1]. The most recent common ancestor between camel and cow is represented by which letter? [Letter2]

Feather color in budgies is determined by two different gene…

Feather color in budgies is determined by two different genes, Y and B, one for pigment on the outside and one for the inside of the feather. YYBB, YyBB, or YYBb is green; yyBB or yyBb is blue; YYbb or Yybb is yellow; and yybb is white.   A blue budgie is crossed with a white budgie. Which of the following results are NOT possible?