Echinoderms 

A. are only found in the ocean.
B. have a water vascular system.
C. have radial symmetry.
D. All of the above are correct.


D. All of the above are correct.

Biology & Microbiology

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A group that contains species from separate evolutionary lineages is considered ____

a. paraphyletic b. polyphyletic c. monophyletic d. haplophyletic e. multiphyletic

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In determining who should receive liver transplants, should lifestyle be a factor?

1.No, lifestyle factors should not be considered in transplant decisions because everyone should have an equal opportunity for a transplant. 2.Yes, lifestyle factors should be taken into account when determining who gets a transplant and people who have liver damage due to past behavior should be given a lower priority.

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Which of the following can be changed based on

new evidence? a. hypothesis b. theory c. prediction d. experiment e. all of these

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The neuronal pathways behind gustatory reception most closely parallel those of 

A. light touch. B. limb position. C. vision. D. pain. E. olfaction.

Biology & Microbiology