1) What were the first animals like? 2) Compare the diversification of plants and animals. When...

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Biology

1) What were the first animals like?
2) Compare the diversification of plants and animals. When domajor body plans appear in these groups (for animals, thinkdifferent phyla, and for plants, think algae/land plants/vascularplants/seed plants/angiosperms) and over how long a period of timedo new plans appear)?
3) Why is bilateral symmetry strongly associated withcephalization, the concentration of the sense organs in an anteriorahead?

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A The evolutionary history of the comb jelly has revealed surprising clues about Earths first animal Singlecelled microorganisms or microbes are the first living things on Earth those lacking a cell nucleus or cell membrane known as prokaryotes B A body planis an assembled form of morphological features shared among many members of a phylumlevel group Evolutionary developmental biology show the origins of diverse body plans The vertebrate body plan is one of many invertebrates consist of many phyla Body plans have historically been considered to have evolved in a flash in the Cambrian explosion but a more nuanced understanding of animal evolution suggests gradual development of body plans throughout the early Palaeozoic The history of the discovery of body plans can be seen as a movement from a worldview centred on the vertebrates to seeing the See Answer

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