<p> Evolution and Change Over Time Test Study Guide</p><p>1. Was Earth cold or hot when it was first being formed?</p><p>2. Did Earth have oceans when it was first created? ______Why or why not? ______</p><p>3. What was occurring on Early earth? ______, ______, ______</p><p>4. What kind of gases were probably in the early atmosphere? ______</p><p>5. How old is Earth? ______</p><p>6. How old are earth’s oldest rocks? ______</p><p>7. Who proposed the first life on earth was as a primordial soup? ______</p><p>8. Who was able to create organic molecules in a lab? ______</p><p>9. When life comes from nonliving material, this is called ______.</p><p>10.Which scientist did a meat and maggots experiment? ______</p><p>11.Who boiled a broth to eliminate microorganisms? ______</p><p>12.What gases did Miller and Urey use in their experiment? ______</p><p>13.What were the first cells on earth? ______</p><p>14.What kind of bacteria live in very harsh environments? ______</p><p>15.What is the theory that showed how eukaryotic cells were created? ______</p><p>16.Who proposed this theory? ______</p><p>17.What is the name of the land mass when all the continents were together? ______</p><p>18.When the continents move, the crust is in several moving pieces, which is the study of ______</p><p>19.What are fossils? ______</p><p>20.Who studies fossils? ______</p><p>21.What are some examples of fossils? ______</p><p>22.Where do fossils form? ______</p><p>23.Earth’s calendar is called the ______. 24.What are the four eras of Earth’s history? ______, ______, ______, and ______</p><p>25.Which era are we in right now? ______</p><p>26.Which type of dating does not give you an actual age? ______Which one gives an absolute age? ______</p><p>27.The decay rate of a radioactive isotope is called the ______.</p><p>28. When you can blend in with your surroundings you are demonstrating ______.</p><p>29.When you can resemble another species you are showing ______.</p><p>30.Change over time is called ______.</p><p>31.Who proposed natural selection? ______</p><p>32.What does natural selection mean? ______</p><p>33.What are 3 things that have to be present for natural selection to occur? ______, ______, and ______</p><p>34.Do individuals evolve or entire species? ______</p><p>35.Where did Charles Darwin go to make his observations? ______What did he observe while there? ______</p><p>36.What was the name of his book? ______</p><p>37.Who studied human populations (had an effect on Darwin)? ______</p><p>38.The ability to survive and reproduce in an environment is an organism’s ______.</p><p>39.When you have structures that come from the same tissue but do different things, what kind of structure is that? ______</p><p>40.When you have structures that come from different tissue but do the same thing, these are called ______.</p><p>41.When you have structures that are no longer used but are still inherited they are ______. What are some examples? ______</p><p>42.What are the two types of adaptations an organism can have? ______and ______</p><p>43.The study of embryos is called ______.</p><p>44.All the genes in a population is a ______.</p><p>45.The movement of genes in and out of a population is called ______. 46.The % of an allele in a population is the ______.</p><p>47.What are two ways a population can have genetic variation? ______and ______.</p><p>48.What kind of populations does genetic drift affect? ______</p><p>49.When you have long stable periods interrupted by short bursts of rapid change, this is called ______.</p><p>50.Forming a new species is called ______.</p><p>51.What are the three types of isolation? ______, ______, ______</p><p>52.During gradualism, is evolution occurring fast or slow? ______</p>