Sentences with phrase «animal phyla in»

Meyer holds that the emergence of animal phyla in the Cambrian demonstrates the existence of an intelligent designer.

It centers on one of the most remarkable events in that history, the relatively rapid emergence of animal phyla in the Cambrian.

Not exact matches

The speculation that it was in a «section on preaching to the «half breeds» / Samaritans» might be some handy way someone sections off that section of the book, but to assume every incident within a certain part of scripture is there like a Science book identifying the phylum and genus of an animal, that is, that everything mentioned under the Raccoon Family is in the Raccoon Family (the ring - tail cat, kinkajou, coatimundi... three other members of the raccoon family), is an assumption that does not seem to apply to the Bible and how it is written... it is more human, and living, and not sterile, everything in its tight little unmovable section, etc..

In subsequent studies the researchers plan to analyze further relevant datasets in order to test different scenarios of the evolution of the earliest animal phylIn subsequent studies the researchers plan to analyze further relevant datasets in order to test different scenarios of the evolution of the earliest animal phylin order to test different scenarios of the evolution of the earliest animal phyla.

Many of the animals phyla that are losers in terms of present - day species numbers tend to be in the ocean, and because of human activity, they may go completely extinct.»

Animals have incredible variation in their body shapes and ways of life, including the plant - like, immobile marine sponges that lack heads, eyes, limbs and complex organs, parasitic worms that live inside other organisms (e.g. nematodes, platyhelminths), and phyla with eyes, skeletons, limbs and complex organs that dominate the land in terms of species numbers (arthropods) and body size (chordates).

All animal species are divided among roughly 30 phyla, but these phyla differ dramatically in how many species they contain, from a single species to more than 1.2 million in the case of insects and their kin.

The initial phases of animal evolution proceeded faster than hitherto supposed: New analyses suggest that the first animal phyla emerged in rapid succession — prior to the global Ice Age that set in around 700 million years ago.

And, remarkably, this so - called «convergent» evolution happened at least eight times across three different phyla, or animal groups, supporting the belief that necessity played a larger role than chance in developing this trait.

According to Strausfeld, confirmation of this shared ground pattern in the vertebrate hippocampus would suggest that it originated from a very ancient common ancestor likely to have lived about 600 million years ago just before the Cambrian explosion, a relatively short period when most major animal phyla emerged.

It had been assumed that such lateral gene transfers were uncommon, but their existence in arthropods, the largest animal phylum, suggests that such transfers may be a significant evolutionary mechanism.

Bob Holmes observes that signs of consciousness have been found in animals from at least three different phyla, suggesting it...

In 1995, Peter Funch and Reinhardt Møbjerg Kristensen, both then at the University of Copenhagen, Denmark, discovered an animal so unlike any other that a new phylum — Cycliophora — had to be created just for it.

Some microbes merged with hydrogen - producing microbes (probably multi-functional ancestral mitochondria) to become eukaryotes that later developed into multi-cellular «animals» that survive and breed in anoxic conditions, without oxygen (phylum Loricifera, which includes Spinoloricus at left — more).

(By comparison, all multicellular animals in the world comprise only a few dozen phyla.)

To put this in perspective, all the multicellular animals in the world comprise only a few dozen phyla.

arthropod Any of numerous invertebrate animals of the phylum Arthropoda, including the insects, crustaceans, arachnids and myriapods, that are characterized by an exoskeleton made of a hard material called chitin and a segmented body to which jointed appendages are attached in pairs.

Except for the Ediacaran biota, most animal phyla (some that persist and some that did not) appear in the fossil record rapidy and essentially simultaneously at the base of the Cambrian period, some 570 million years ago, an event known as the Cambrian Explosion.

The fossil record suggests complex multicellular life emerged about 600 million years ago in a relatively short period termed the «Cambrian explosion,» during which most major animal phyla appeared.

Treasurer: Michael Schubert Location: France Institute: Laboratoire de Biologie du Développement de Villefranche - sur - Mer, Observatoire Océanologique de Villefranche - sur - Mer Research interests: In our team, we are studying the developmental functions of two intercellular signaling cascades, Wnt and retinoic acid signaling, in three animal models located at key phylogenetic positions within the deuterostome phyluIn our team, we are studying the developmental functions of two intercellular signaling cascades, Wnt and retinoic acid signaling, in three animal models located at key phylogenetic positions within the deuterostome phyluin three animal models located at key phylogenetic positions within the deuterostome phylum.

Given that sexual reproduction is widespread among animals and sperm production appears to be present in all major phyla of metazoan animals, it raised a question whether any male - biased reproductive gene could be exempt from such selective pressure and remain conserved through extended evolutionary distances.

We systematically examined the prevalence of Boule homologs in major animal phyla and also the molecular evolution of Boule in two distant bilaterian classes.

Sexual reproduction in which male animals produce motile sperm often with flagellum is found in all major phyla of metazoan animals [84].

One such mystery is why animal phyla (groups of animals that share an evolutionary history) differ dramatically in the diversity of species they contain.

Chemosynthetic symbioses evolved independently multiple times in at least nine animal phyla and from at least 12 lineages of free - living bacteria.

Similar to other animals in its Comb Jelly phylum, two stinging tentacles protrude from each mound of the «bra».

Of the thirty - odd phyla in the animal kingdom, at least a third are generally referred to as worms.

Worms in the phylum Nemertea (ribbonworms) can be 1 mm or up to 50 meters long (the longest, though not the biggest among living species of animals).

In any case the indisputable testimony of the geologic column reveals that in the last 500 million years (since the Cambrian explosion when most of the modern phyla appeared and Ediacaran phyla disappeared) and animals started crawling out onto land the CO2 level in the atmosphere has, most of time, been 10 to 20 times greater concentration than todaIn any case the indisputable testimony of the geologic column reveals that in the last 500 million years (since the Cambrian explosion when most of the modern phyla appeared and Ediacaran phyla disappeared) and animals started crawling out onto land the CO2 level in the atmosphere has, most of time, been 10 to 20 times greater concentration than todain the last 500 million years (since the Cambrian explosion when most of the modern phyla appeared and Ediacaran phyla disappeared) and animals started crawling out onto land the CO2 level in the atmosphere has, most of time, been 10 to 20 times greater concentration than todain the atmosphere has, most of time, been 10 to 20 times greater concentration than today.

The essential role of «minor» phyla in molecular studies of animal evolution.