Fill in the blanks with the available words: All organisms (with its unique elemental composition), and all are related to one another. Species might defer more than others, though. We might also predict that the more similar the percentages of elements are in two species, the closely related those two species are.

WORDS

•evolved on earth

•less

•more

•living under unusual conditions

•trace

•genetically

•naturally occurring

•essential

•evolved on earth

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.