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CSU - BC 103 - Life 103- Exam 1 Study Guide - Study Guide

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CSU - BC 103 - Life 103- Exam 1 Study Guide - Study Guide

School: Colorado State University
Department: Biology
Course: Biology of Organisms-Animals and Plants
Professor: Jennifer Dewey
Term: Fall 2016
Tags: Biology
Name: Life 103- Exam 1 Study Guide
Description: These questions cover everything that we have learned so far this semester AND through Monday's (2/8) lecture. Answers are on the last two pages.
Uploaded: 02/05/2016
5 5 3 21 Reviews
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background image Study Guide: Exam 1 1. What were the first two kingdoms that beginning taxonomists placed all species into? 2. Who started the ‘bin’ system for classifying life? What were the bins labeled, from biggest to  smallest? 3. What is the difference between taxonomy, systematics, and phylogeny? 4. Species with the nearest ____________ on a phylogenetic tree are the most closely related. This  means they…  a. appear the most similar          b. both have the same DNA          c. share the most recent common ancestor
         d. are siblings
5. What are the three major methods used to group organisms? 6. Homology and analogy are both seen through ____________, but homology is due to  _________________ while analogy is from __________________. 7. Molecular systematics studies a species’ __________, looking at the sections which code for  _____ to discover ancient relations because they are “conserved genes” (change slowly), but 
examining DNA which codes for ______ to find more recent relations between species.
8. What does the Endosymbiotic Theory by Lynn Margulis state about the progress of ancestral  prokaryotes? 9. Nowadays the “Tree of Life” is better referred to as the “_____ of Life” due to the findings that  ________ ______ ________ took place a lot in the past, resulting in exchanged bits of DNA 
between many different organisms.
10. What is the typical cell structure used for horizontal gene transfer? 11. The DNA transferred is a smaller circle of DNA called a _______ which is copied [separately  OR along with] the main chromosome of DNA. 12. What are bacterial cell walls made of? 13. What to antibiotics target? 14. What are the main reasons bacteria evolve so rapidly?
15. What is the purpose of endospores?
background image 16. What is the method by which bacteria reproduce? How does it work?
17. Match:
Autotrophs require sunlight for energy Chemotrophs require CO from air for energy Phototrophs require other living things to consume for Carbon Heterotrophs require organic molecs and chem cmpds for Carbon 18. An organism can be a… a. Photo­autotroph     b. Chemo­autotroph
    c. Hetero­autotroph
    d. Photo­heterotroph
    e. all of the above
    f. a, b, and d
19. Archaea are known as ____________ because they thrive in hot, hyper­saline, or anoxic  environments. 20. Excavata are named for their “excavated” __________ which is used as a feeding structure. 21. The SAR clade is made up of… a. Non­photosynthetic Stramenophiles, Avelotes with cilia, and hairy­appearing Rhizetrians.
b. Stramenophiles most with hairy flagella, Alveolates with membrane sacs, and amoeba­like 
Rhizarians. c. Photosynthetic Stratigeophiles, Alveolates with alveoli, and cilia covered Rhizarians. 22. What are the two major groups that Archaeplastida contains? 23. True or False: ALL organisms of Archaeplastida are photosynthetic. 24. What is the subgroup of Archaeplastida to which land plants are most closely related? a. charophytes
b. chlorophytes
c. opisthokonts
d. euglenozoans
       25. Fungi and animals are included in the ____________ group of eukarya, in the subgroup     of __________. a. Excavata, diplomonads b. Unikonts, opisthokonts
c. Archaeplastida, charophytes
d. Unikonts, amoebazoans
background image      26. Fungi are Saprophytic, meaning they… a. produce spores and release them into the air b. feed on sap from trees
c. produce sap
d. feed on dead organic matter       27. The multicellular networks of fungi through the soil are called… a. hyphae b. mycelia
c. mycorrhizae
d. chitin 28. Sketch a picture of mycorrhizae, labeling the movement of ions/minerals and organic 
nutrients/carbohydrates.
29. What are fungal cell walls made of?
      a. peptidoglycan        b. lignin
      c. chitin
      d. sporopollenin 30. Between the steps of plasmogamy and karyogamy, the cells are called… a. heterokaryons b. homokaryons
c. spores
d. hyphae 31. The common mushroom is called a… a. chytrid b. glomeromycetes
c. ascomycetes
d. basidiocarp 32.  Lichen=  _________+__________ 33. Why are all land plants known as embryophytes? 34. What is the purpose of Sporopollenin? 35. Where are apical meristems located? 36. Which of the following is not a key trait of bryophytes? a. Alternation of generations
b. Unicellular, dependent embryos

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School: Colorado State University
Department: Biology
Course: Biology of Organisms-Animals and Plants
Professor: Jennifer Dewey
Term: Fall 2016
Tags: Biology
Name: Life 103- Exam 1 Study Guide
Description: These questions cover everything that we have learned so far this semester AND through Monday's (2/8) lecture. Answers are on the last two pages.
Uploaded: 02/05/2016
7 Pages 676 Views 540 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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