Some birds follow moving swarms of army ants in the tropics. As the ants march a

Question

Some birds follow moving swarms of army ants in the tropics. As the ants march along the forest floor hunting insects and small vertebrates birds follow and pick off any vertebrates that fly or jump out of the way of the ants. This situation is an example of what kind of species interaction between the birds and the ants? resource partitioning competitive exclusion mutualism parasitism Cells whose cell walls contain are most likely from which group? archaea protists plants fungi bacteria Which of the following organism was primarily responsible for the significant increase in atmospheric oxygen approximately 2.5 billion years ago? cyanobacteria plants nitrogen fixating bacteria

Explanation / Answer

Q no 33

Commensalism

Qno 34

Bacteria

Qno 35

Cyanobacteria also called blue green algae increased the oxygen level

Cyanobacteria were most primitive form of life on earth during Archean era ( 4.5 billion years --2.5 billions years)

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