Given that phylogenies are based on shared derived characteristics which of the folowing traits is as useful in generating a phylogeny of species w, x, y, and z? species w trait a trait a a) trait 1 b) trait 2 c trait 3 d) all of the above are useful traits. e) two of the above traits are useful.

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.