Download SCIN 130-Quiz 2-Chapter 2 and more Exams Biological Systems in PDF only on Docsity!
Part 1 of 7 - Chapter 2 27.0 Points Question 1 of 31 3.0 Points Which is an example of an isotope? A. Actinides B. Halogens C. Carbon- D. Hydrogen- Feedback: Great job. Question 2 of 31 3.0 Points If an electron is shared between two elements, the strongest bond forms referred to as what? A. Ionic bond B. van der Waals interaction C. Hydrogen bond D. Covalent bond Feedback: Great job. Question 3 of 31 3.0 Points Which type of fatty acid is a solid at room temperature? A. saturated fatty acid B. unsaturated fatty acid 678980 Quiz 2
C. monounsaturated fatty acid D. polyunsaturated fatty acid Feedback: Great. Question 4 of 31 3.0 Points A bond between two atoms that occurs frequently, but does not require much energy to break is referred to as what? A. Hydrogen bond B. van der Waals Interactions C. Ionic bond D. Covalent bond Feedback: Great job. Question 5 of 31 3.0 Points Which is one of the most abundant natural biopolymers on Earth, only found in plants? A. starch B. glycogen C. chitin D. cellulose Feedback: Great job. Question 6 of 31 3.0 Points In most living species, which monosaccharide is the most important source of energy? A. glucose
A. Why water tastes different to each of us (WRONG) 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 Feedback: Buffers readily absorb excels H+ or HO-, keeping the pH of the body carefully maintained. Review buffers, pH, acids and bases in Chapter 2. Part 2 of 7 - Chapter 12 27.0 Points Question 10 of 31 3.0 Points What is the scientific name of wolves in binomial nomenclature? A. Wolves and Dogs B. Mammalia C. Canis lupus D. Canidae Family Feedback: Great job. Question 11 of 31 3.0 Points Which assumption of cladistics is correctly stated? A. There are multiple universal last common ancestors (LUCA).
B. The polarity of a character state change can be determined. C. Speciation can produce two to four new species. D. Traits remain homologous and unchanged from one state to another. (WRONG) Feedback: There are three primary assumptions of cladistics. Read more in Chapter 12. Question 12 of 31 3.0 Points 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. Evolutionary events occurred in the simplest, most obvious way. D. Shared derived characteristics define monophyletic groups. Feedback: Great job. Question 13 of 31 3.0 Points What is a diagram used to represent evolutionary relationships between taxa called? A. branch B. clade C. systematic D. phylogeny Feedback: Great job. Question 14 of 31 3.0 Points What is a group of closely related organisms and their common ancestor on a phylogeny? A. outgroup
B. analogous C. apomorphy D. synapomorphy Feedback: Great job. Question 18 of 31 3.0 Points What term describes the wings of insects, bats, and birds? A. analogous B. synapomorphy C. homologous D. apomorphy Feedback: Great job. Part 3 of 7 - Lecture Material 9.0 Points Question 19 of 31 3.0 Points The number of domestic dog varieties on Earth today, produced through artificial selection, is an example of what kind of evolution? A. Microevolution B. Macroevolution C. Coevolution D. Convergent Evolution E. Natural Selection Feedback: Great job! Question 20 of 31
3.0 Points Which is a mechanism that occurs to prevent crossbreeding after a zygote is formed? A. Prezygotic Isolating Mechanism (WRONG) B. Symzygotic Isolating Mechanism C. Isozygotic Isolating Mechanism D. Postzygotic Isolating Mechanism Feedback: Postzygotic isolating mechanism prevents crossbreeding after a zygote is formed. Review Change on a Long Time Scale in the Weekly Lecture Lesson. Question 21 of 31 3.0 Points Which is an example of a prezygotic isolating mechanism? A. Crossing apples and pears in a lab to produce a pear-apple. B. Different songs in birds, attracting mates of the same species. C. Cross pollination of neighboring corn species. D. Mating of a horse and a donkey to produce a mule. Feedback: Great job! Part 4 of 7 - Part 3: Lab Lecture Material 9.0 Points Question 22 of 31 3.0 Points Who published On the Origin of Species by Means of Natural Selection? A. Gregor Mendel B. Robert Hooke C. Robert FitzRoy
Question 25 of 31 3.0 Points Which tetrapod species is an intermediate between fish and tetrapod, seemingly neither of these forms? A. Tiktaalik B. Pederpes C. Tulerpeton D. Eusthenopteron E. Ichthyostega Feedback: Great. Question 26 of 31 3.0 Points Which is NOT one of the three bones found in the middle ears of mammals? A. stapes B. hammer C. incus D. malleus Feedback: Great. Question 27 of 31 3.0 Points Which of the following have tails? A. humans B. guinea pigs
C. apes D. monkeys Feedback: Great. Question 28 of 31 3.0 Points Which was the first (e.g. oldest) fossil in the tetrapod list? A. Tiktaalik B. Eusthenopteron C. Tulerpeton D. Pederpes E. Ichthyostega Feedback: Great. Question 29 of 31 3.0 Points Notharctus developed features in the hand that are similar to modern humans. What is one of these? A. flat hands B. divergent thumb C. sharp claws D. short fingers Feedback: Great. Part 6 of 7 - Lab Essay 5.0 Points Question 30 of 31 5.0 Points In a few sentences, what was the overall purpose of the lab for this week? You should include 1-
