What does ectasian mean?

Definitions for ectasian
ec·tasian

Here are all the possible meanings and translations of the word ectasian.


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Wiktionary

  1. Ectasiannoun

    The Ectasian period.

  2. Ectasianadjective

    Of a geologic period within the Mesoproterozoic era from about 1400 to 1200 million years ago.

Freebase

  1. Ectasian

    The Ectasian is the second geologic period in the Mesoproterozoic Era and lasted from 1400 Mya ago to 1200 Mya. Instead of being based on stratigraphy, these dates are defined chronometrically. Name derives from continued expansion of platform covers during this period. This period is interesting for the first evidence of sexual reproduction. The 1.2 billion year old Hunting Formation on Somerset Island, Canada, dates from the end of the Ectasian. It contains the microfossils of the multicellular filaments of Bangiomorpha pubescens, the first taxonomically resolved eukaryote. This was the first organism that exhibited sexual reproduction, which is an essential feature for complex multicellularity. Complex multicellularity is different from "simple" multicellularity, such as colonies of organisms living together. True multicellular organisms contain cells that are specialized for different functions. This is, in fact, an essential feature of sexual reproduction as well, since the male and female gametes are specialized cells. Organisms that reproduce sexually must solve the problem of generating an entire organism from just the germ cells.

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Numerology

  1. Chaldean Numerology

    The numerical value of ectasian in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of ectasian in Pythagorean Numerology is: 9

Images & Illustrations of ectasian

  1. ectasianectasianectasianectasianectasian


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