Which protists are in the same eukaryotic supergroup as animals?
a. Dinoflagellates
b. Forams
c. Amoebozoans
d. Parabasalids
e. Stramenopiles
Answer: c. Amoebozoans
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Suppose you traveled back in time and located the first animals to have evolved feathers
You found that these animals were tree-dwelling ectotherms, able to run quickly but unable to fly. You also noticed that only males had feathers. Which hypothesis of feather evolution would these data most support? Feathers initially evolved in a role associated with _____. A) flight B) insulation C) sexual selection D) gliding
Without data from the base composition studies of Chargaff, what might Watson and Crickâs modeling studies have erroneously concluded?
A. Bases could pair with themselves (e.g. A with A, C with C). B. Any purine could pair with any purine. C. Any pyrimidine could pair with any pyrimidine. D. Any purine could pair with any purine and any pyrimidine could pair with any pyrimidine. E. Any purine could pair with any pyrimidine.
What evidence exists that some of the asteroids were geologically active in the distant past?
a. A few of the larger asteroids show similar reflectance spectra (colors) similar to achondrite stony lava-like meteorites. b. A few of the larger asteroids show similar reflectance spectra (colors) similar to carbonaceous chondrite meteorites. c. A few of the larger asteroids show similar reflectance spectra (colors) similar to Jovian planets.
The planned process of cell suicide is called:
A) meiosis. B)mitosis. C) apoptosis. D) metastasis. E) malignancy.