SCIN 130 AMU Quiz 2 Introduction to Biology American Military University assistance is available on Domyclass
SCIN 130 AMU Quiz 2
| Part 1 of 7 – Chapter 2 Question 1 of 31 Which is more likely to dissolve in water? A. olive oil B. glucose C. wax D. fat Question 2 of 31 A bond between two atoms that occurs frequently, but does not require much energy to break is referred to as what? A. Ionic bond B. van der Waals Interactions C. Hydrogen bond D. Covalent bond Question 3 of 31 Why are lipids insoluble in water? A. they are very large B. they are polar molecules C. they are very small D. they are nonpolar molecules Question 4 of 31 An atom that does not contain equal numbers of protons and electrons is referred to as what? A. Carbon dating B. Ion C. Electron transfer D. Bond Question 5 of 31 When referring to pH, an example of something that is alkaline includes what? A. water B. baking soda C. orange juice D. stomach acid Question 6 of 31 Proteins include all of the following except what? A. phospholipids B. DNA C. water D. hormones Question 7 of 31 At the most fundamental level, what is life made up of? A. atom B. isotope C. neutron D. matter Question 8 of 31 Which is one of the most abundant natural biopolymers on Earth, only found in plants? A. glycogen B. chitin C. cellulose D. starch Question 9 of 31 Practically speaking, a buffer is the reason for what? A. Why water tastes different to each of us B. Why we shouldn’t eat white bread C. Why gardens are a good hobby D. Why we can ingest acidic substances and not die |
| Part 2 of 7 – Chapter 12 Question 10 of 31 How has molecular systematics changed the how organisms had been classified? A. Molecular systematics has confirmed earlier classifications. B. Classification has reverted to the Linnean system based on molecular systematics. C. Sometimes errors are uncovered and taxa are reclassified from molecular systematics. D. Morphologic homology has allowed for the calibration of a molecular clock. Question 11 of 31 Currently the diversity of all life on earth is contained in 3 domains which are: A. Bacteria, Animals, Plants B. Phylum, Class, Order C. Family, Genus, Species D. Archaea, Bacteria, Eukarya Question 12 of 31 What term describes the forelimb bones of a bird, bat, horse, whale and human? A. apomorphy B. analogous C. synapomorphy D. homologous Question 13 of 31 What is a diagram used to represent evolutionary relationships between taxa called? A. clade B. branch C. systematic D. phylogeny Question 14 of 31 What is the scientific name of wolves in binomial nomenclature? A. Wolves and Dogs B. Mammalia C. Canidae Family D. Canis lupus Question 15 of 31 What is a group of closely related organisms and their common ancestor on a phylogeny? A. vertebrate B. outgroup C. clade D. synapomorphy Question 16 of 31 Which assumption of cladistics is correctly stated? A. There are multiple universal last common ancestors (LUCA). B. Traits remain homologous and unchanged from one state to another. C. The polarity of a character state change can be determined. D. Speciation can produce two to four new species. Question 17 of 31 What term describes the wings of insects, bats, and birds? A. apomorphy B. homologous C. synapomorphy D. analogous Question 18 of 31 Which best describes the assumption maximum parsimony is built on? A. All of life evolves as a goal driven process under the direction of a higher power. B. Molecular data is superior to morphological data when reconstructing evolutionary events. C. Shared derived characteristics define monophyletic groups. D. Evolutionary events occurred in the simplest, most obvious way. |
| Part 3 of 7 – Lecture ELF Question 19 of 31 What is the term for microevolutionary changes that accumulate over a long time period resulting in different species and significant variation among living organisms? A. Natural Selection B. Microevolution C. Coevolution D. Macroevolution E. Convergent Evolution Question 20 of 31 Which is the only evolutionary process that results in adaptation? A. Natural Selection B. Reproductive Isolation C. Artificial Selection D. Genetic Drift E. Allele Frequency Question 21 of 31 Which pattern of microevolution would result in a population of peas, for example, that were a mix of short and tall? A. stabilizing B. directional C. disruptive D. artificial Feedback: Great job! |
| Part 4 of 7 – Part 3: Lab ELF Question 22 of 31 Which scientist helped develop the cell theory? A. Robert FitzRoy B. Charles Darwin C. Robert Hooke D. Gregor Mendel E. Christopher Wren Question 23 of 31 Why did scientists put shrimp on a treadmill? A. To measure free radicals affecting crustaceans B. To determine how fast crustaceans can run C. To educate the public about pollution D. To compare data to human “stress tests” E. To provide therapy to injured crustaceans Question 24 of 31 Which of the following is considered a secondary source of research? A. Published books B. Conference papers C. Lab notebooks D. Peer-reviewed journals E. Theses compositions |
| Part 5 of 7 – Lab Material 15.0 Points Question 25 of 31 Which tetrapod species is an intermediate between fish and tetrapod, seemingly neither of these forms? A. Ichthyostega B. Eusthenopteron C. Tiktaalik D. Pederpes E. Tulerpeton Question 26 of 31 When did the roots of our modern brain become evident? A. 5 million years ago B. 100 billion years ago C. 12 billion years ago D. 500 million years ago Question 27 of 31 Which was the first (e.g. oldest) fossil in the tetrapod list? A. Tiktaalik B. Ichthyostega C. Eusthenopteron D. Tulerpeton E. Pederpes Question 28 of 31 Notharctus developed features in the hand that are similar to modern humans. What is one of these? A. flat hands B. short fingers C. sharp claws D. divergent thumb Question 29 of 31 How many opsins does Kramer have? A. 2 B. 1 C. 4 D. 3 E. 5 |
| Part 6 of 7 – Lab Essay Question 30 of 31 In 2-3 sentences, what was the overall purpose of the lab for this week? |
| Part 7 of 7 – Lab Upload Question 31 of 31 Please upload your completed Lab Packet for this week. Make sure your name is on the top in the space provided. |