bout half way up, you down 350 million years ago. Shortly backbon ind upon close

Question

bout half way up, you down 350 million years ago. Shortly backbon ind upon closer isho tereafter, you notice something sticks laid the rock and upon closer inspection, it is clear you are 1. Lets say you are hiking up the side Pss a sign that tells you that the rock layer boundary you are looking at the fossil of the to ak bone of some kind of extinct animal. Given its age, this ba a) fish b) amphibian c) ape d) Aor B e) A, BorC 2. Why is it incorrect to say "primitive" ancient mammal? that a marsupial such as a North American opossum is a ced a) Because it is hard to objectively define what primitive versa ases. ed biases. b) Because the sister lineage of marsupials, the c)Because much older living fossils have been found in Australia. e) A, B and C are all true. would be without the influence our inherent human center evolving for 160 million years since the split with marsuplals. BOTHA and B placentals, has also been 3. protostomes animals that must molt to grow. belong in the "ecdyzoa", a newly identified clade of a) Arthropods (insects, crustaceans, spiders) b) Platyhelminthes (flatworms, e.g, planaria) c) Annelids (segmented worms, e.g, earthworms, leaches) d) Molluscs (e.g, snails, clams, octopus, squid, oysters, etc.) e) BOTH A and B 4. Which of the following lineages of recently extinct hominids is only known from from 10-20 skeletons but has not yielded any DNA for analysis? a) Flores Man b) Neanderthals c) Denisovans d) ALL of the above 5. Among primates,g generally have tails, whereas have undergone an evolutionary loss of tails. a) Apes, Lemurs b) Monkeys, Apes c) Old World monkeys, New World monkeys d) Spider Monkeys, Macaques e) NONE of the above.

Explanation / Answer

Ans 3) Op[tion A) Arthopods

Ans 6) Option D. cant tell

Explain :- The most related species to the sea squirt will be the species from Z_________

Ans 7) Option A. Human

Explain- Mammals are present n this phyla and human are mammals.

Ans 8) None of the above.

Ans 10) Option a) Platypus is the one of the 5 rare animal that lay eggs.

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