Biology Help Center Home > Midterm #1 Review

 

Fill appropriate facts with dates.  Answers may be used more than once, or may not so insert NONE.

 

10-20 bya              2.1 bya                   1.2 bya                   3.2 bya                   3.8-4.2 bya            5 bya                      3.5 bya                   2.7 bya

 

Origin of life                                          _____                                                    Birth of Earth                                                                         _____

Birth of our galaxy                                _____                                                    Birth of universe                                                                   _____

Multicellular euka. evolved                 _____                                                    1st euka. fossil                                                                      _____

Oldest fossils                                       _____                                                    Age of last common ancestor of 3 extant domains      _____

Big increase in eukaryotic algae      _____                                                    Cyanobacteria started photosynthesize                         _____

 

Fill each line with the appropriate term with the description.  Words may be used more than once.

 

Lecture #1

1. Missing domain from Eukarya and Bacteria                                                                  _____________________

2. A change in allele frequency due to migration between populations                                 _____________________

3. Process organize selectively bred for desired traits                                                       _____________________

4. The estimated number of vertebrae on Earth                                                                 _____________________

5. Kingdom, Phlyum, X, Order, Family, X, X (fill the X)                                                       _____________________

6. A seahorse overtime looks like seaweed to ward off predators, increasing their                _____________________

survivor ship

7. Examples include founder effect and bottleneck effect                                                   _____________________

8. Process adapts a population to its environment                                                            _____________________

9. Branch of biology that classifies organized and places them in a hierarchical scheme      _____________________

10. The number of species that have been classified thus far                                              _____________________

11. Acts against extreme phenotypes                                                                              _____________________

 

Lecture #2

1. A species is a group of pop. that is reproductively compatible with one another                _____________________

2. A species that is not compatible with populations of other species                                 _____________________

3. Individuals from two populations have limited compatibility                                              _____________________

4. Reduces hybrid viability or fertility                                                                                _____________________

Fill in the type of prezygotic barrier described.

5. James goes clubbing at night, Dana goes clubbing in the morning                                  _____________________

6. Ngoc is attracted to males who sing My Valentine, but David likes to sing                       _____________________

Truly, Madly, Deeply

7. The two types of prezygotic barriers not yet described                                                   _____________________

8. A species is a group of organisms with a shared, unique history                                     _____________________

9. Results when pop. divergence after having been separated by physical barrier                 _____________________

10. Speciation that occurs in pop. that overlap geographically                                            _____________________

11. Animals modes of sympatric speciation besides microhabitat specialization                  _____________________

12. Accidents in cell division increase ploidy                                                                    _____________________

13. Branching Evolution� Speciation in time (2 answers)                                                  _____________________

14. Asexual reproduction violates the                                                                               _____________________

15. The number of current species definitions                                                                   _____________________

 

Lecture #3

1. Slow continuous change                                                                                             _____________________

2. Sudden �large� change                                                                                                _____________________

3. eg crystalline protein in the eyes; scales feathers over time                                       _____________________

4. Heritable novelty that allows descendent to invade a new niche/find new method              _____________________

5. Rate of development slows specifically called by                                                           _____________________

6. Evolutionary change in the timing or rate of development                                                _____________________

7. Retention in adults of juvenile features of ancestors                                                       _____________________

8. Descendents extend development �beyond� that show by ancestors                               _____________________

Fill in what kind of evidence showed each with the human skull

9. Evidence of paedomorphosis                                                                                       _____________________

10. Evidence of peramorphosis                                                                                        _____________________

11. Genes that determine where body parts develop                                                          _____________________

12. Structures of marginal, if any, importance to the organism                                            _____________________

13. Geographic distribution of species                                                                              _____________________

14. Species not yet found in other parts of the world                                                          _____________________

15. Smallest biological unit that can evolve over time                                                         _____________________

 

Lecture #4/5

1. The movement of tectonic plates and the contents they contain                                     _____________________

Fill in either Paleozoic, Mesozoic, or Cenozoic to fit the description.

2. 65 mya to present                                                                                                      _____________________

3. Cambrian explosion                                                                                                    _____________________

4. Colonization of land by eukaryotes                                                                               _____________________

5. Radiation of dinosaurs                                                                                                _____________________

6. World map begins to look familiar                                                                                _____________________

7. Fusion of all continents into Pangea                                                                             _____________________

8. 245-65 mya                                                                                                               _____________________

9. Origins of primates                                                                                                     _____________________

10. Carboniferous period                                                                                                 _____________________

11. Big Five accounts for this many percent of all extinctions                                             _____________________

12. Ordered array in which fossils appear within layers                                                      _____________________

13. # of years it takes for 50% of original sample to decay                                                 _____________________

14. Hypothesis that said glaciers covered plant�s land masses from pole to pole                  _____________________

 

Lecture #6

Describe: lysome, mitochondria, ribosomes, vacuole, cell wall, golgi apparatus, ER, nucleous (review on your own)

 

Lecture #7

1. Prokaryotes: in addition to lacking a membrane enclosed nucleus                                  _____________________

2. Approximate number of prokaryotes                                                                             _____________________

3. Gram positive�s color                                                                                                  _____________________

4. Gram negative�s shape                                                                                               _____________________

5. 1/1000 as much X                                                                                                      _____________________

6. # of chromosome rings                                                                                               _____________________

7. Amount of time to double                                                                                            _____________________

8. Amount of time before it outweighs Earth                                                                      _____________________

9. Nutrition is how and organism gets (2 answers)                                                             _____________________

Answer the following with the 4 modes of nutrition: eg photoautotroph

10. Energy from inorganic compounds                                                                             _____________________

11. Energy from light, C from CO2                                                                                   _____________________

12. Energy from organic compounds                                                                                _____________________

13. Energy from light, C from organic compounds                                                              _____________________

14. Surface appendages of prokaryotes                                                                            _____________________

15. Cell takes up genes from surrounding environment                                                       _____________________

16. Direct transfer of genes                                                                                             _____________________

17. Virus transfer genes between prokaryotes                                                                   _____________________            

 

Lecture #8

1. Describe the function of chloroplasts and its origin.

 

2. What is the equation of photosynthesis?                                                                      _____________________

 

3. What wavelength color does chlorophyll absorb the best?                                              _____________________

 

4. Light reactions occur X and Calvin Cycle in X                                                                _____________________

5. Hydrocarbons that are various shades of yellow and orange                                           _____________________

6. Where does carbon dioxide enters and oxygen exits?                                                   _____________________

 

Lecture #9

1. Protists can be divided into three ecological categories:                                                 _____________________

2. A characteristic of the first eukaryotes                                                                         _____________________

3. Plasmodium is the cause of                                                                                        _____________________

 

 

ANSWERS:

Look over for the years
1. archaea

2. gene flow

3. artificial selection
4. 50,000
5. class, genus, species
6. natural selection
7. genetic drift
8. natural selection
9. taxonomy
10. 1.5 million
11. stabilizing selection


1. biological species concept
2. biological species concept
3. reproductive isolation
4. post-zygotic barrier
5. isolation in time and space
6. behavioral isolation
7. mechanical, gametic

8. genealogical species concept
9. allopatric speciation
10. sympatric speciation
11. assortive mating
12. autopolyploidy
13. cladogenesis, anagenesis
14. biological species concept
15. 30

 

1. phyletic gradualism
2. punctuated equilibrium
3. exaptation
4. evolutionary innovation
5. neotony
6. heterchrony
7. paedomorphosis
8. peramorphosis
9. jaw
10. cranium
11. homeotic genes
12. vestigal organs
13. biogeography
14. endemic
15. population

1. continental drift
2. Cenozoic

3. Paleozoic

4. Paleozoic

5. Mesozoic

6. Cenozoic

7. Paleozoic

8. Mesozoic

9. Cenozoic

10. Paleozoic

11. 4%

12. fossil record
13. half-life
14. snowball Earth


1. membrane enclosed organelles

2. 5000

3. violet

4. rods

5. DNA

6. 1

7. 20 minutes

8. 3 days

9. energy, carbon source

10. chemoautotroph

11. photoautotroph

12. photoheterotroph

13. chemoheterotroph
14. pili
15. transformation
16. conjugation
17. transduction
 

1. capture sunlight; convert light energy into chemical energy stored in glucose located in mesophyll; origin in first eukaryotes

2. 6CO2 + 6H2O > C6H12O12 + 6O2

3. red and blue

4. thylakoid; stroma
5. cartenoids

6. stomata
 

1. protozoa, absorptive, algae

2. unicellular

3. malaria

 

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