Tuesday February 14, 2017
Find the 6 differences between the two pictures.
Source: http://www.slylockfox.com/arcade/6diff/index.html
The answers are …
Answers: Button, step, window, tail bones, girl’s eyes, claw
bones
Source: http://www.slylockfox.com/arcade/6diff/index.html
A 6th Mass Extinction????
Is there a 6th mass extinction taking
place? Why or why not?
Are we
the cause?
Geologic
Time Review
Plickers Review
 Get out card from pocket of
ISN
 Select the correct era and hold
up card with corresponding
letter on top
Station Rotation
Complete activity at each station
Fill in the blank
Place cards in correct order (oldest to
most recent)
Write your answers for each station
on your worksheet
You will have 5 minutes at each
station
Completion
Directions: Complete each statement with a
phrase.
1.
Cyanobacteria created __________________.
2.
The ozone layer lead to _______________________.
3.
The evolution of land plants lead to _______________.
4.
The extinction of the dinosaurs lead to _____________.
5.
Water vapor from volcanoes and comets lead to
_________________.
6.
Lobed-fin fish with lungs lead to ________________ on
land (what type of animal were they?).
7.
The Cambrian explosion created ________________.
8.
The evolution of grasses lead to __________________.
ANSWERS
1.
2.
3.
4.
5.
6.
7.
8.
Cyanobacteria created oxygen in the
atmosphere.
The ozone layer lead to protection of harmful UV
rays OR life moving onto land.
The evolution of land plants lead to the evolution
of animals on land.
The extinction of the dinosaurs lead to the “Age of
the Mammals” OR mammals dominating the fossil
record.
Water vapor from volcanoes and comets lead to
the formation of the oceans.
Lobed-fin fish with lungs lead to the first
vertebrates on land (amphibians).
The Cambrian explosion created All of the major
animal groups of today.
The evolution of grasses lead to large grazing
mammals.
SET #1
A. START OF MESOZOIC ERA
B. START OF PRECAMBRIAN TIME
C. GREATEST MASS EXTINCTION (90% OF ALL LIFE)
D. START OF CENOZOIC ERA
E. DINOSAUR MASS EXTINCTION
F. START OF PALEOZOIC ERA
SET #1 ANSWERS
B.
START OF PRECAMBRIAN TIME
F. START OF PALEOZOIC ERA
C. GREATEST MASS EXTINCTION (90% OF ALL LIFE)
A. START OF MESOZOIC ERA
E. DINOSAUR MASS EXTINCTION
D. START OF CENOZOIC ERA
SET #2
A. EARLIEST BACTERIA (PROKARYOTES)
B. EARLIEST MULTICELLULAR ORGANISMS
C. EARLIEST PHOTOSYNTHETIC BACTERIA
(CYANOBACTERIA)
D. ATMOSPHERE SIMILAR TO MILLER-UREY EXPERIMENT
E. EARLIEST EUKARYOTES (CELLS WITH A NUCLEUS)
F. INVERTEBRATES WITH HARD PARTS (EXOSKELETONS)
SET #2 ANSWERS
D. ATMOSPHERE SIMILAR TO MILLER-UREY EXPERIMENT
A. EARLIEST BACTERIA (PROKARYOTES)
C.EARLIEST PHOTOSYNTHETIC BACTERIA (CYANOBACTERIA)
E. EARLIEST EUKARYOTES (CELLS WITH A NUCLEUS)
B. EARLIEST MULTICELLULAR ORGANISMS
F. INVERTEBRATES WITH HARD PARTS (EXOSKELETONS)
SET #3
A. INVERTEBRATES ON LAND
B. INVERTEBRATES FROM THE CAMBRIAN EXPLOSION
C.PLANTS ON LAND
D. OZONE LAYER
E. JAWLESS FISH (1st vertebrates)
F. FIRST AMPHIBIANS
SET #3 ANSWERS
B. INVERTEBRATES FROM THE CAMBRIAN EXPLOSION
E. JAWLESS FISH (1st vertebrates)
D. OZONE LAYER
C. PLANTS ON LAND
A. INVERTEBRATES ON LAND
F. FIRST AMPHIBIANS
SET #4
A. DINOSAURS & MAMMALS
B. REPTILES
C. FLOWERING PLANTS (ANGIOSPERMS)
D. LARGE MAMMALS & GRASSES
E. PREHISTORIC HUMANS (HOMINIDS)
SET #4 ANSWERS
B. REPTILES
A. DINOSAURS & MAMMALS
C. FLOWERING PLANTS (ANGIOSPERMS)
D.LARGE MAMMALS & GRASSES
E. PREHISTORIC HUMANS
(HOMINIDS)
SET #5
A.GREAT ICE AGE & LAND BRIDGES
B. COAL DEPOSITS OF PENNSYLVANIA
C. NO OXYGEN IN ATMOSPHERE
D. PANGAEA
E. GIANT METEOR IMPACT IN MEXICO
F. OZONE LAYER FORMS
SET #5 ANSWERS
C. NO OXYGEN IN ATMOSPHERE
F. OZONE LAYER FORMS
B. COAL DEPOSITS OF PENNSYLVANIA
D. PANGAEA
E. GIANT METEOR IMPACT IN MEXICO
A. GREAT ICE AGE & LAND BRIDGES
Visual Review
 How can you visually represent each of
the following terms?
 Make a picture with the word to help
you remember
Precambrian
Prokaryote
Paleozoic
Eukaryote
Mesozoic
Cyanobacteria
Cenozoic
Ozone
Mass
Extinction
Extinct