a. They can be used to clean up oil spill in a process called bioremediation.
b. They can be used in industry to generate products particularly in food processing.
c. They are present on the skin and help crowd out harmful bacteria.
d. They are the primary producers of most ecosystems.
e. They function in waste water purification to remove both organic and inorganic substances.
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Question 3
Which fossil evidence is considered an intermediate between reptiles and birds?
Select one:
a. Archaeopteryx
b. Eusthenopteron
c. Seymouria
d. synapsids
e. therapods
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Question 4