Sentences with phrase «first multicellular animals»

With their choanoflagellate - like choanocyte cells and a second type of cell, an archaeocyte, that can shift shape and function as needed to absorb food, secrete new skin, or reproduce, they became the first multicellular animals.

Sponges were the first multicellular animals to evolve, so the finding means all complex life has a skin.

Not exact matches

Then come complex multicellular organisms, societies of animals with new emergent properties at the ecosystem level, and, finally conscious beings who create culture, use symbolic language — and experience the first intimations of transcendence.

The natural process of biological evolution can not explain the concurrent appearance of a highly advanced ecology in conjunction with the explosive introduction of the first true multicellular animals.

The first dramatic claim came in the 2 October issue of Science (pp. 19 and 80), when researchers said they had found tracks of multicellular animals in 1.1 - billion - year - old Indian rocks.

Some time between 700 and 600 million years ago, early multicellular animals appear to have burrowed and grazed the mats to destruction — showing that humans are by no means the first to overexploit their environment.

The first multicellular marine animals appeared at around this time — and Hayes's team believes they are the key.

«But they are the first of the truly large, multicellular organisms that radiated broadly before the first true animals evolved.»

There may be some truth to both men's viewpoints: The first animals may well have looked more like a sac of mesomycetozoeans than like any modern multicellular creature.

All the analyses indicate that land plants first appeared about 500 million years ago, during the Cambrian period, when the development of multicellular animal species took off.

All of these mechanisms were repurposed to suit the multicellular lives of the first animals.