7.3 Fossils

7.3 Fossils
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Slide 1: Tekstslide

In deze les zitten 12 slides, met interactieve quizzen en tekstslides.

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7.3 Fossils

Slide 1 - Tekstslide

Birds and butterflies both have wings. Are these wings homologous or analogous structures?
A
Homologous
B
Analogous

Slide 2 - Quizvraag

ANALOGOUS STRUCTURES

Slide 3 - Tekstslide

HOMOLOGOUS STRUCTURES

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?
A
bones
B
coprolite
C
teeth
D
shell

Slide 12 - Quizvraag