Some levels of organization in a multicellular organism are shown in the sequence below.
a → cells → tissues → b → organ systems → organism
which terms represented by letters a and b would complete the sequence?
(1) a–gametes; b–zygote (3) a–organs; b–organelles
(2) a–zygote; b–gametes (4) a–organelles; b–organs

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Which structure in the cardiovascular system connect arteries to veins?