How many cotyledons would be found in a flowering plant with nine petals on each flower and long leaves with parallel leaf veins?

Which system revise and send electrical signals throughout the body

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?