On a scale of 1 to 10, with 1 being very unlikely and 10 being very likely, how likely is it that a comet will strike earth during your lifetime? a) 1 b) 4 c) 7 d) 9

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?