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WorksheetsBiology Learning Showcase!!
Total questions: 10
Worksheet time: 5mins
What is the total number of animal species in the world currently?
1.9 million
2.9 million
340 billion
1.9 mya
Which type of rock can hold fossils?
Igneous Rock
Sedimentary rock
Metamorphic rock
Plants and animals that become sandwiched in this sediment eventually turn into -----------------?
Fossils
Cracks
Minerals
Bones
"Minerals also may fill in the spaces between these hard parts."
What is this process called?
Mineralization
Permineralization
Fermentation
Dissolving
True or False:
"Body fossils are found rarely and are hard to find because bones are not quite easy to be made a fossil."
True
False
Define Trace fossil:
A trace fossil is a geological record of the activities and behaviours of past life.
A trace fossil only includes bones.
A trace fossil is a dinosaur fossil.
A trace fossil only includes shells.
Which is the First multicellular organism?
Sponges
Bacteria
Algae
Fungi
Fill in the blanks:
There have been at least ----------- mass extinctions.
5
7
8
6
------------- million years ago, complex chemicals came together and started forming microscopic blurbs inside the oceans.(Please only type the number)
(a)
Name the 4 Eras:
Precambrian, Paleozoic, Mesozoic and Cenozoic
Precambrian, Paleozoic, Mesozoic and Penozoic
Cambrian, Paleozoic, Mesozoic and Cenozoic
Precambrian, Maleozoic, Pesozoic and Cenozoic
