7.3 Fossils
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Slide 1 - Tekstslide
Birds and butterflies both have wings. Are these wings homologous or analogous structures?
A
Homologous
B
Analogous
Slide 2 - Quizvraag
Slide 3 - Tekstslide
Slide 4 - Tekstslide
Homologous & analogous structures are examples of ...
A
Direct evidence
B
Indirect evidence
Slide 5 - Quizvraag
Fossils are examples of ...
A
Direct evidence
B
Indirect evidence
Slide 6 - Quizvraag
what is the best definition of fossil?
A
fossils are preserved remains of once living organisms.
B
fossils are petrified remains, or traces, of organisms or part of organisms from the past.
C
fossils are any preserved remains, impression, or trace of any once-living thing from a past geological age
D
fossils are the preserved remains or traces of organisms (plants, animals, etc) that lived in the distant past
Slide 7 - Quizvraag
What is the importance of fossils?
A
they give clues of organisms that lived long ago
B
they provide evidence about how Earth's surface has changed over time
C
they help scientists understand what past environments may have looked like.
Slide 8 - Quizvraag
what is a fossil?
A
oil formed from sea animals of long ago
B
sandstone showing ripple marks from water
C
arrowhead made thousands of years ago
D
animal tracks in rocks
Slide 9 - Quizvraag
characteristics of index fossils
A
Small geographical distribution, short range through time
B
Small geographical distribution, long range through time
C
Wide geographical distribution, short range through time
D
Wide geographical distribution, long range through time
Slide 10 - Quizvraag
carbon film
preserved remain
cast
mold
trace fossil
petrified fossil
Slide 11 - Sleepvraag
there are two main groups of fossils:
body & trace
what is NOT a body fossil?
body & trace
what is NOT a body fossil?
A
bones
B
coprolite
C
teeth
D
shell
