On Darwin's voyage, he observed ostriches and rheas living on grasslands on separate continents. These two types of birds are similar, but not identical. How did Darwin apply these observations?

The variables for this experiment include the number of each type of sprout, the average height of those sprouts, and the amount of compost given to each plot of land. use the drop-down menus to complete the sentences and identify the independent and dependent variables. the independent variable, the one that you intentionally manipulate, is the the dependent variables, the ones that you measure the response in, are

(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?

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?