What lab tools are present in the picture? A.

ring stand, ring clamp, wire gauze, erlenmeyer flask, bunsen burner

B.

balance, beaker, tongs, filter paper, bunsen burner

C.

ring stand, tongs, watch glass, flint striker, erlenmeyer flask

D.

balance, beaker, wire gauze, hot plate, forceps

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

Are the earth's ocean floor and continents the same age geologically? why or why not?