Look at the sketches. The sketch on the left is of a
fish embryo, and the sketch on the right is of a pig
embryo.
Which of the following statements is the best
explanation for why the embryos look so similar,
considering how different an adult fish and pig
are?
O
Fish and pigs both need gills.
Fish and pigs are both mammals.
-Fish and pigs share a common ancestor.
-Fish
-Pig

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation. c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation. d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

Which direction does the energy flow in this energy pyramid ?

Oak and maple trees, chipmunks, white-tail deer, and black bears emerging from hibernation are all organisms that may be found in which biome