Author Question: Four characteristics of animals in the phylum Chordata:[br][br][b][color=#FA1639]Question ... (Read 59 times)

washai

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Four characteristics of animals in the phylum Chordata:

Question 2

Two species of animals that lay eggs:



paavo

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Answer to Question 1

(a) Notochord, spinal cord
(b) Nerve cord
(c) Pharyngeal
(d) Area tail

Answer to Question 2

(a) duck-billed platypus
(b) echidna



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