Bacteria have which of these structures in common with eukaryotes? answer nucleus mitochondria ribosomes endoplasmic reticulum

Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the

What noticeable trend from this graph might be used to make a conclusion?

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees