Which of the following statements would be most acceptable to most zoologists? B
ID: 267342 • Letter: W
Question
Which of the following statements would be most acceptable to most zoologists?
B)What did the Haikouella, a primitive early chordate fossil, lack that vertebrates have
a skull
C) Which of these are amniotes?
D)Use the following information to answer the question.
Terry catches a ray-finned fish from the ocean and notices that attached to its flank is an equally long, snakelike organism. The attached organism has no external segmentation, no scales, a round mouth surrounded by a sucker, and two small eyes. Terry concludes it is a hagfish.
Terry saved some of the tooth-like objects within the hagfish's round mouth to analyze their composition in his mentor's biochemistry research lab. Terry will find that they are composed of the same protein found in tetrapod ________.
E) Which of the following statements about hominin evolution is correct?
The first fossils resembling lancelets appeared in the fossil record around 10 million years ago. Lancelets do not swim in the same way that fishes do. The extant lancelets are the immediate ancestors of the fishes. Recent work in molecular systematics supports the hypothesis that lancelets are the basal clade of chordates.Explanation / Answer
Answer:
A) The extant lancelets are the immediate ancestors of the fishes statement would be most acceptable to most zoologist.
B) the haikouella, a primitive early chordate fossil lack that vertebrates have a skull.
C) turtles are amniotes.
D) Terry will find they are composed of same proteins found in tetrapod scales.
E) Sexual dimorphism was sexually reduced is the statement about hominin evolution is correct.
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