What adaptation helps the cactus survive in warm climates? Round leaves that capture sunlight
Thick stems that store water
Spines that reduce water loss
I and II
I and III
II and III
I, II, and III

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

Which type of fossil does this image depict?

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.