Imagine a girl climbing a rope ladder to ride a zip line. it takes effort for her to get to the top of the ladder, but then she zips to the ground with ease. she travels down easily because she has stored energy. where did this energy came from?

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.