What is the primary tool used in dissections - the one that is best for cutting skin and tissues while preventing damage to internal structures?

An easy way to calculate the amount of energy available at each level is to what?

How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground

Which of the following is not associated with invasive species?