Sentence examples for major groups of animals from inspiring English sources

Most major groups of animals as well as plants have some representatives that can become dormant.

The chart above shows the oldest undoubted fossil occurences of each of the living major groups of animals.

This sudden appearance of many major groups of animals is often referred to as the "Cambrian Explosion".

Except for corals, jellyfish, bryozoans and other major groups of animals whose earliest relatives appear in the fossil record before or after the Cambrian Explosion.

"I don't think I've been anywhere where you can see so many different types of major groups of animals all in one place.

The Cambrian period, which began more than half a billion years ago, marks the moment when major groups of animals first appeared as fossils in rock strata.

The discovery of fossils with these elements associated with each other led to a jawless eel-like chordate (the major group of animals that includes vertebrates) affinity (Briggs et al 1983).

Here, we survey nuclear genomes from major groups of nonbilaterian animals as well as unicellular relatives of animals for the presence of major components of mt-tRNA processing pathways.

The only major groups of aquatic animals conspicuously absent from inland waters include the phyla Echinodermata, Ctenophora, and Hemichordata.

But it's not until around 520 million years ago that many major groups of living animals left behind their first fossils.

Over the course of about 20 million years, the oldest known fossils of most of the major groups of living animals appear, revealing a rapid diversification of life that led directly to humans.