Which two terms are most closely related to learned behavior? insight and trial-and-error
reflex and insight
instinct and trial-and-error
imprinting and reflex

Where is energy trapped inside the organelle chlorophyll

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

Isotopes of the same element have differ in their