Please answer all multiple choice UR your Scantron by using a pencil 7. The term

Question

Please answer all multiple choice UR your Scantron by using a pencil 7. The term "protostome" literally means "first mouth". This refers to the fact that a) the mouth forms before any other structures in the embryo b) the first larvae have the biggest mouths c) the mouth is the first thing you see on the animal d) the first opening in the embryo becomes the mouth e) the mouth is always at the front of the animal 8. Which of the following statements is true about a modern phylogeny of life's history? a) There are multiple independent origins of the distinct life forms: bacteria, plants, etc. b) It is only based on living organisms since the reproductive isolation of extinct species cannot be determined c)All forms of life including extinct branches are related d) Genealogies can only be traced for groups where the primordial ancestor has survived 9. What is the blastocoel? one of the two cavities present in a gastrula b) one of the two cavities present in a blastula c) the cavity that become sthe gut d) the cavity that becomes the coelom e) the cavity that opens via the blastopore 10. Protozoans in the genus Trypanosoma cause A. malaria in both humans and birds. B amebic dysentery and intestinal ailments. C. African sleeping sickness and Chagas disease. D: birth defects if infecting a woman at the appropriate stage of pregnancy -E:Toxoplasmosis, often contracted from cats. 11. Lamarck's theory of evolution was centered on the idea that A individuals with genetic variations have different survival rates. B. species are only produced through special creation. C. species are fixed and unchanging over time. D an individual organism changes during its lifetime, and these changes can be passed on to offspring. 12. Which of the following correctly lists the classic Linnaean ranks for animals, from largest and most inclusive to smallest and least inclusive? Domain-kingdom-phylum-order-class-family-genus-species Domain-kingdom-phylum-order-family-class-genus-species Domain-kingdom-phylum-class-order-family-genus-species D. Domain-kingdom-division-order-class-family-genus-species 13. Which of the following statements is true about a modern phylogeny of life's history? A. There are multiple independent origins of the distinct life forms: bacteria, plants, etc B. It is only based on living organisms since the reproductive isolation of extinct species cannot be determine C All forms of life including extinct branches are related D. Genealogies can only be traced for groups where the primordial ancestor has survived

Explanation / Answer

7.d. the first opening in the embryo becomes mouth

8. c. All forms of life including extinct branches are related

9.d the cavity that opens via blastopore

10.c african sleeping sickness and chagas disease

11.d.

12.c

13.c.

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