Unit of time, part 2: 8. age = million of years 9. ___ = tens of millions of years 10. period = specific events that took place 11. era = hundred million years (there are a total ten) 12. e__ = half a billion years (there are a total of four) epoch on

tion/explorations/tours/fossil/5to8/Pa ge2.html

Do Now 1. The four types of fossils used as evidence to prove living things that ___ are: a. ___ = a hollow pattern of remains b. ___ = a ridged outline of remains c. ___ = when remains absorb minerals, the surrounding material and turn it into rock d. ___ = yellow to brown hardened tree sap called resin that traps insect remains evolve

a. ___ = a hollow pattern of remains mold

b. ___ = a ridged outline of remains imprint

c. ___ = when remains absorb minerals, the surrounding material and turn it into rock mineralized

d. ___ = yellow to brown hardened tree sap called resin that traps insect remains amber

Do Now 1. ___ layers of rock and sand through weathering can bury the dead organisms quickly to become a fossil. 2. Two types of fossils that are not in sediments are ___ and ___. 3. Four places that we find fossils are ___, sea floor, lakes, rock intertidal (between rocks and ocean) and ___forests. sedimentary amber frozen ocean rain

2. Two types of fossils that are not in sediments are ___ and ___. amber frozen

3. Four places that we find fossils are in the ___, sea floor, lakes rock intertidal (between rocks and ocean) and ___forests. ocean rain

570 mya 1.6 = =

Top half of Geologic Time Football Field 50 yard line 0 10 yards 20

Bottom half of Geologic Time Football Field 50 yard line

Do Now 1. The geological time scale is divided into eras and periods, and finds that fish, ___, reptiles, mammals and birds, and lastly humans ___ over time. 2. This was determined by digging the earth up and finding that the bottom layer is ___ while the top layer is ___. 3. List in order the rocks that are formed from younger to older layers. amphibians evolved older younger

1. The geological time scale is divided into eras and periods, and finds that fish, ___, reptiles, mammals and birds, and lastly humans ___ over time. amphibians evolved

2. This was determined by digging the earth up and finding that the bottom layer is ___ while the top layer is ___. older newer

3. List in order the rocks that are formed from newer to older layers. newer older

Do Now 1. There are three indirect evidences that supports the idea of evolution. All living organisms have similar: a. ___ structures, b. ___ acid, and c. ___ stages.

a. All living organisms have similar: ___ structures, embryonic

b. All living organisms have similar: ___ acid, deoxyribonucleic

c. All living organisms have similar: ___ stages. developmental fish human?

Do Now 1. Homologous structures are ___ in origin, structure and function. 2. For example: the arm of a human, leg of a cat, flipper of a whale, and a ___ (more than one word answer) are homologous structures. 3. analogous structures are ___ in function but have ___ embryonic structure.

1. Homologous structures are ___ in origin, structure and function. similar

2. The arm of a human, leg of a cat, flipper of a whale, and a ___ (more than one word answer) are homologous structures. wing of a bat

3. Analogous structures are ___ in function but have ___ embryonic structure. similar different

Do Now 1. Vestigial structures are structures that do not seem to have a ___. 2. Four examples in human: 3. Which of the three structures share a common ancestry? function

2. Four examples in humans: f. Wisdom teeth a. appendix b. Tail bone c. Ear muscles

3. Which of the three types of structures share a common ancestry? ___ structures. homologous and vestigial structures