History of Life on Earth

History of Life on Earth
Mycorrhizae is scientific name for which of following?
root fungi
cone bearing plants
flowering plants
underground roots
Author: rikazzz Comment
History of Life on Earth
Which of following plants are referred to as gymnosperms?
cone bearing
flowering
underground
spiky
Author: rikazzz Comment
History of Life on Earth
What are sedimentary rock layers called?
layer
strata
igneous layer
alluvial layer
Author: rikazzz Comment
History of Life on Earth
Which of following is most likely to be genetic material?
RNA
ssDNA
dsDNA
tRNA
Author: rikazzz Comment
History of Life on Earth
Mitochondrial DNA is in which of following forms?
segmented
scattered
linear
circular
Author: rikazzz Comment
History of Life on Earth
Theory that mitochondria and chloroplasts were prokaryotes that started living inside of eukaryotic cells is known as:
eukaryotic theory
mitochondrial theory
endosymbiont theory
plastid theory
Author: rikazzz Comment
History of Life on Earth
How many million years ago did therapsids exist?
280
400
500
100
Author: rikazzz Comment
History of Life on Earth
In each mass extinction, what is average percentage of marine animals that went extinct?
10
20
40
50
Author: rikazzz Comment
History of Life on Earth
Another supercontinent has been expected to form in how many million years from now?
1
3
250
900
Author: rikazzz Comment
History of Life on Earth
How many mass extinctions have been documented in fossil history?
2
3
4
5
Author: rikazzz Comment

Go to Page