4. Below are some vestigial structures found in humans. For each, hypothesize what its function may havebeen. Structure Possible function? Wisdom teeth Appendix Muscles for moving the ear Body hair Little toe Tailbone

D Question 9 The hyoid articulates with the top vertebrate. O True False Question 10 The anatomical name for the chin is the mental protuberance. True O False Question 11

Part 1: Explain how animals are distinguished from other organisms.

Ape Cat Bat Bird Wolf Legend Radius Uina these anatomical structures in the figure above, which two animals are probably most 10. According closely related? a. Ape and Bat b. Bat and Bird c. Bird and Cat d. Cat and Wolf inate Education TM, Inc.

Match these with the number on the picutres   A. stomach B. telson C. gills D. cephalothorax E. digestive gland F. heart G. cheliped H. antennae

Animals with three tissues layers have other synapomorphies that differentiate them from diploblasts. Choose all that apply: specialized muscle tissue Bilateral symmetry Specialized reproductive tissues Specialized respiratory organs O Specialized circulatory organs for pumping blood or hemolymph O A nervous system with an anteriorly located processing center (brain)

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Compare the overall body plan of the prawn to that of an insect like a grasshopper (see drawings below). Provide a complete side-by-side analysis of the two groups that would include body regions, and appendages. Focus your comparison on how the two groups have adapted uniquely to their environment. MacBook Pro く※ $ 4 5 8. R T Y U の く○

When vertebrates emerged from the water and began colonizing the land, there were plenty of advantages in doing so:. reduced competition, increased oxygen levels, and warmer temperatures. Living on land had some disadvantages as well. What is the key adaptation that reptiles made that allowed them to totally escape the aquatic environment? O A. Devleopment of dry skin and scales. O B. Development of a water saving kidney O C. Development of the amniotic egg. O D. Development of the lung instead of gills