BIO 170 General Biology I Spring 2014 Freeman Lecture Exam 1

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1 BIO 170 General Biology I Spring 2014 Freeman Lecture Exam 1

2 Part A 1) This is part Aof the lecture exam. Please choose the answer a below: a. Choose this answer b. Do not choose this answer 2) How many lecture exams are given in this course a. 2 b. 3 c. 4 d. 5 3) You can make up a quiz in this class. a. True b. False 4) Which of these carries the same weight (is worth the same points) as one lecture exam a. The quiz average b. The mastering biology homework average c. The demonstrate your knowledge assignment average d. All of the above 5) All of the following are characteristics of life EXCEPT a. Living organisms acquire and use energy b. Living organisms are composed of cells c. Living organism move d. Living organisms replicate themselves 6) Which of the following statements is true about biological studies? a. Hypotheses about biological questions often cannot be tested. b. Hypotheses may be tested by a combination of observation, measurement, and experimentation. c. Hypotheses must be tested by carrying out experiments. d. Hypotheses must be tested by making observations or measurements in a natural environment. 7) Which cells have a nucleus a. Prokaryotic cells b. Eukaryotic cells c. Both prokaryotic and eukaryotic cells

3 8) Which series depicts groups from most inclusive to least inclusive? a. Phylum Order Class Family b. Order Phylum Class Family c. Family Class Order Phylum d. Phylum Class Order Family 9) Which of the following is the correct depiction of the name for the American Robin (a kind of bird) a. Turdus migratorius b. Turdus Migratorius c. Turdus migratorius d. Turdus migratorius e. They are all acceptable 10) Which is true about a population a. They can be dispersed over several continents b. They may be composed of numerous species c. They are alive at the same time d. All of the above 11) Endosymbiosis gave rise to a. Mitochondria b. Chloroplasts c. Both a and b

4 12) Imagine there are 25 species of protists living in a tide pool. Some of these species reproduce both sexually and asexually, and some of them can reproduce only asexually. The pool gradually becomes infested with disease-causing viruses and bacteria. Which species are more likely to thrive in the changing environment? a. The sexually reproducing species b. Cannot tell from this information survival will depend on a variety of other factors c. The asexually reproducing species d. Sexually and asexually reproducing species are equally likely to thrive. 13) Refer to the diagram to the right. Where on the phylogenetic tree should the origin of a nuclear envelope appear? a. At the base of all Eukaryotes b. At the base of the Plantae c. At the base of the group Animals d. At the base of the monophyletic group Bikonta 14) Meiosis is characterized by cells giving rise to cells. a. Diploid, diploid b. Haploid, haploid c. Diploid, haploid d. Haploid, diploid 15) Protists are a group. a. Paraphyletic b. Monophyletic c. Polyphyletic d. Synapomorphic

5 16) All protists are unicellular a. True b. False 17) Eukaryotes can be divided into 2 monophyletic lineages based on a. Having a cell wall or not b. Having one or two flagella c. Having chloroplasts or not d. Being multicellular or not 18) If you think of the tube-within-a-tube body plan as a pipe with a straw inside, where would you expect to find most of the ectodermal, mesodermal, and endodermal germ layers, respectively? a. space inside of straw; straw; space between pipe and straw b. pipe; space between pipe and straw; straw c. straw; space between pipe and straw; pipe d. pipe; straw; space inside of straw 19) What do biologists cite as the primary benefit of the evolution of a coelom in animals? a. the subsequent evolution of segmentation b. a more efficient digestive system, in the form of a tube-within-a-tube c. the hydrostatic skeleton, allowing greater range of motion d. cephalization and the formation of a cerebral ganglion 20) An organism that exhibits cephalization probably also. a. Is bilaterally symmetrical b. Has a hydrostatic skeleton c. Is diploblastic d. Has a coelom e. All of the above 21) In deuterostomes the blastopore becomes the a. Mouth b. Anus c. Coelom d. Nervous system

6 22) The lineage known as animals are united by the following characteristic a. Lack a cell wall b. Multicellular c. Have neurons d. Heterotrophic e. All of the above 23) Which embryologic tissue gives rise to the nervous system? a. Ectoderm b. Endoderm c. Mesoderm d. They all can give rise to nervous tissue. 24) A brain is a. A ganglion b. Composed of nervous tissue c. Is located anteriorly d. All of the above 25) The area of the animal body indicated in the picture below is a. Anterior b. Posterior c. Dorsal d. Ventral

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