Apattern has 5 blue triangles to every 80 yellow triangles. what is the ratio of blue triangles to all triangles

Me if the environment changes, what is the first thing a species will do to survive? question options: the species will suddenly move from the area the species will adapt to the changes the species will change the environment back the species cannot survive a change in the environment

Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms