EVOLUTION
THE ORIGIN OF LIFE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Put these organisms in order based on their appearance on the early Earth.1. Animals-Eukaryotic-heterotrophic cells2. Photosynthetic Bacteria 3.Plants-Eukaryotic-autotrophic cells 4.Heterotrophic bacteria
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2-4-3-1
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1-2-3-4
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2-3-4-1
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4-3-2-1
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Explanation:
Detailed explanation-1: -The most influential system, the ‘Whittaker’ five kingdom structure, recognises Monera (prokaryotes) and four eukaryotic kingdoms: Animalia (Metazoa), Plantae, Fungi and Protista.
Detailed explanation-2: -Prokaryotes were the earliest life forms, simple creatures that fed on carbon compounds that were accumulating in Earth’s early oceans. Slowly, other organisms evolved that used the Sun’s energy, along with compounds such as sulfides, to generate their own energy.
Detailed explanation-3: -The oldest fossil clearly related to modern eukaryotes is a red alga dating back to 1.2 billion years ago.
Detailed explanation-4: -Eukaryotic organisms include protozoans, algae, fungi, plants, and animals.
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