Which of the following statements is consistent with the assertion that protists are paraphyletic?

a. protists all share a common set of synapomorphies
b. protists are all having more primitive characteristics than land plants and animals
c. multiple protist lineages evolved into complex eukaryotic groups (e. g. animals, plants, fungi)
d. protists do not share a single common ancestor

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic