Exam 1 Review (Practice Exam 1)
Worksheet 1.5
Supplemental Instruction
Iowa State University / Leader: / Hannah
Course: / BIOL 211 (2)
Instructor: / Dr. Waldman
Date: / 01/29/15

1.)List in order the 6 steps of the scientific method.

  1. How do a hypothesis, prediction, and experiment all relate to each other?
  1. What is a theory?

2.)Compare and contrast Stratigraphy and Radiometric Dating.

3.)A ______tree is used to show evolutionary relationships between species and common ancestry.

  1. Which of the following is not one of the 3 domains of life?
  2. Eukarya
  3. Bacteria
  4. Prokarya
  5. Archaea

4.)Carolus Linnaeus came up with ______, which is a two-part naming system that includes a genus and species.

5.)What does it mean if an organism is an extremophile? Give some examples.

6.)How long ago did the Earth form?

  1. 3.5 billion years ago
  2. 6.7 billion years ago
  3. 2.2 billion years ago
  4. 4.5 billion years ago

7.)How long ago did life begin on Earth?

  1. 3.5 billion years ago
  2. 6.7 billion years ago
  3. 2.2 billion years ago
  4. 4.5 billion years ago

8.)Which of the following is not a limitation of the fossil record?

  1. Habitat bias
  2. Sedimentary bias
  3. Abundance bias
  4. Taxonomic and tissue bias
  5. Temporal bias

9.)Define the following and label each on the blank tree below:

  1. Root
  1. Node (fork)
  1. Branch
  1. Tip (terminal node)
  1. Outgroup(s)

10.)Distinguish between background extinction and mass extinction.

11.)For the illustrations below, indicate whether the tree is paraphyletic, monophyletic, or polyphyletic. (A) (B) (C)

______

  1. What is the difference between homology and homoplasy?

12.)What differs between the cell walls of bacteria and archaea?

13.)Protists are a ______group since they do not include land plants, animals, or fungi.

14.)Name and describe the 2 important biological theories given in class.

15.)Prokaryotes divide by ______, which is a form of asexual reproduction.

16.)Which of the following bacterial lineages werethe first organisms to perform oxygen photosynthesis, thereby changing the Earth’s atmosphere?

  1. Actinobacteria
  2. Cyanobacteria
  3. Proteobacteria
  4. Spirochaetes

17.)What was the key element that differed between Pasteur’s 2 experiments? Also, why did he even need to perform them both?

18.)True or False: Adaptive radiation is when a single lineage rapidly produces many descendent species due to an ecological opportunity or a morphological innovation.

19.)Which of the following is not an ecological role of Prokaryotes?

  1. Chemical recycling/act as decomposers
  2. Pathogens
  3. Nitrogen production
  4. Symbioses

20.)Define the following:

  1. Autotroph
  1. Heterotroph
  1. Phototroph
  1. Obligate Aerobes
  1. Convergent evolution

21.)Briefly describe how some of the organelles (nucleus, mitochondria, and chloroplasts) came about in protists (include theory name if applicable).

22.)What 2 methods can Eukaryotic cells use to reproduce?

23.)Which of the following are the plasmodial slime molds?

  1. Amoebozoa
  2. Alveolata
  3. Rhizaria
  4. Stramenopila

24.)Fill out the missing information in the table below.

Key Lineage / Sub-groups / Characteristics
Excavata / NA
Amoebozoa / NA
Ciliates
Apicomplexans
Dinoflagellates / Alveoli (pockets in plasma membrane)
Plantae (not land plants) / Green algae
Red algae
Diatoms
Water molds
Brown algae / Flagella with hairs
Rhizaria / Foraminiferans