Sentences with phrase «many simple animals»

Anyone can see the evolution of the brain from simpler animals to us... God didn't make it!
«In its 4.6 billion years circling the sun, the Earth has harbored an increasing diversity of life forms: for the last 3.6 billion years, simple cells (prokaryotes); for the last 3.4 billion years, cyanobacteria performing ph - otosynthesis; for the last 2 billion years, complex cells (eukaryotes); for the last 1 billion years, multicellular life; for the last 600 million years, simple animals; for the last 550 million years, bilaterians, animals with a front and a back; for the last 500 million years, fish and proto - amphibians; for the last 475 million years, land plants; for the last 400 million years, insects and seeds; for the last 360 million years, amphibians; for the last 300 million years, reptiles; for the last 200 million years, mammals; for the last 150 million years, birds; for the last 130 million years, flowers; for the last 60 million years, the primates, for the last 20 million years, the family H - ominidae (great apes); for the last 2.5 million years, the genus H - omo (human predecessors); for the last 200,000 years, anatomically modern humans.»
for the last 3.6 billion years, simple cells (prokaryotes); for the last 3.4 billion years, cyanobacteria performing photosynthesis; for the last 2 billion years, complex cells (eukaryotes); for the last 1 billion years, multicellular life; for the last 600 million years, simple animals; for the last 550 million years, bilaterians, animals with a front and a back; for the last 500 million years, fish and proto - amphibians; for the last 475 million years, land plants; for the last 400 million years, insects and seeds; for the last 360 million years, amphibians; for the last 300 million years, reptiles; for the last 200 million years, ma - mmals; for the last 150 million years, birds; for the last 130 million years, flowers; for the last 60 million years, the primates, for the last 20 million years, the family H - ominidae (great apes); for the last 2.5 million years, the genus H - omo (human predecessors); for the last 200,000 years, anatomically modern humans.
In vegetables and perhaps in very simple animals no such dominant occasion occurs, but in the higher organisms, especially where a fully developed central nervous system and brain is found, there is strong indication of centralized control of many aspects of the animals behavior.
He remained a seducer, but now one to whom women were naturally drawn; and his desire for women, which had formerly been simple animal appetite, now took on the character of heroic «striving,» an insatiable longing for the perfection of love or deification of the passions.
Our CYBERNOSE ® biosensors mimic the sophisticated smell receptors of simple animals to detect and measure odours and chemicals in a range of substances.
They have cute colors or simple animal prints, they are inexpensive, good quality, and they work well.
How did we develop from simple animals to the dominant species on Earth?
«But our study is showing that a simple animal expresses something very much like fear.»
Yet, as Collins, a biologist at the University of Miami's College of Arts and Sciences who studies the mechanics of neural circuits, notes, «Even the simplest animal with the simplest neural circuits have so much going on.»
In a study published last month, he and his colleagues suggest that oxygen levels were already high enough to support simple animals, such as sponges, hundreds of millions of years before they actually appeared.
And if that's so the solution to any problem, no matter how simple the animal or the task, any problem of learning or memory is going to be instructive; since we don't know anything about any form of learning and memory to see how any of it works is going to be good.
Nath is studying sleep in the worm Caenorhabditis elegans, but whenever he presented his work at research conferences, other scientists scoffed at the idea that such a simple animal could sleep.
These concentrations could have sustained small, simple animals, just as they do today in the ocean's oxygen - poor zones.
The ability to study such complex neurological responses in a simple animal like the worm helps scientists understand the more complex systems that exist in humans.
According to study co-author Larry J. Young of Emory University, the results provide evidence in a comparatively simple animal model that changes in the activity of a single gene profoundly can change a fundamental social behavior of animals within a species.
Collins said that because Hydra is such a simple animal and because it is able to regenerate after complete dissociation into individual cells, it offers researchers the opportunity to use similar techniques as the ones employed in their experiments to examine how an organism develops from an unstructured group of cells into a complex body plan.
«And they've shown that individuals and their personalities matter even in simple animals
To understand the development of the human brain, the researchers looked to a much simpler animal, the fruit fly, in which they could control and observe cells more easily.
What's more, the mitochondria in cells that generate energy can, in many simple animals, function without oxygen for substantial periods of time.
Before 540 million years ago, simple animals called Ediacarans roamed the oceans.
Polarity of this sort has been known for a long time in the embryological development of simple animals like frogs and fruit flies.
The breakthrough in imaging the nervous system of a hydra — a tiny, transparent creature related to jellyfish — as it twitches and moves has provided insights into how such simple animals control their behaviour.
In other words, there are only so many ways to build a simple animal, and Dendrogramma might have come out looking like the Ediacaran organisms by chance.
Scientists hope to borrow strategy from simpler animals to repair damaged spinal cord nerves in humans.
To overcome this technical limitation, we will study the mating behavior of a simple animal, the tiny roundworm C. elegans.
To begin to understand cognitive processing, emotional behaviors, and neurodegenerative disease, scientists study the brains of simpler animal models.
One strong hint that bacteria may have prompted that ancient transition to multicellularity is that many of today's simplest animals are governed by microbial messages.
One subset is aging normally; other subsets are being individually treated with four drugs that have already been shown to increase lifespan in simple animals such as worms and flies.
«For the past 30 or 40 years, scientists have used simpler animals to figure out how fear might work in humans,» Sreekanth Chalasani, associate professor in Salk's Molecular Neurobiology Laboratory and senior author of the paper, said in a statement.
The theft was of PXL, a chemical compound that can turn any simple animal into a killing machine.
This is a simple animal song that I created to encourage my non verbal son to sing.
A simple animal communication session can be very helpful in preventing pets from becoming missing or lost, so they don't go looking for that person who is no longer in the home.
Sponges are very simple animals that have small holes (dermal pores) through the body that take in water, and larger holes (osculum) to let the water out.
There are six simple animal puzzles that make up an owl, rabbit, parrot, fish, snake or caterpillar.
The title Esponja reflects on the one hand on the maritime Porífera, a simple animal species that can be found on the water surface until a depth of 8000 meters.
If you think worms are relatively «primitive» or simple animals, consider Riftia pachyptila, the hydrothermal vent worm.
If you, on the other hand, feel that we would be better off back in the dark ages or worse, living as simple animals in the forest, well...
Considerable knowledge of animal medicine to diagnose and treat simple animal injuries, diseases, and deformities.

Not exact matches

Although the scientific literature on healthy adults isn't robust, evidence on animals and the elderly show great benefits for this simple fasting technique.
He outlines three forms of consciousness: the simple consciousness of animals and humans; the self - consciousness of humans, which includes reason and imagination; and cosmic consciousness, which transcends factual understanding.
One of the simplest things to go around by the oral tradition is the use of animals for transportation, which, in turn, is passed down from generation to generation.
If humans were not designed by a higher authority, how can each individual's DNA be uniquely different among the human species, especially different than the other animals; how can the life sustaining elements be constantly available and exist in exact formulations: O, H, C etc. water is always 2 atoms of Hydrogen and one atom of Oxygen; sugar, fats, grains, and any bio-chemical products can be broken down to their simplest forms of elements, but can be re-constructed with specific (not by chance) formula.
That physical, chemical development, from a simple egg to a complex animal, in many ways is a bigger leap than the first leap from a chemical soup to the first cell.
Here's the rest of it:»... Reason tells me, that if numerous gradations from a simple and imperfect eye to one complex and perfect can be shown to exist, each grade being useful to its possessor, as is certainly the case; if further, the eye ever varies and the variations be inherited, as is likewise certainly the case; and if such variations should be useful to any animal under changing conditions of life, then the difficulty of believing that a perfect and complex eye could be formed by natural selection, though insuperable by our imagination, should not be considered as subversive of the theory.
Just as a mountain climber can not jump to the top of the Matterhorn, a (relatively) simple organism like a bacterium can not even conceivably become a complex plant or animal except in very gradual stages.
The only witnesses are the animals in whose feeding trough the infant is laid, and a small band of simple sheepherders from the nearby hills.
Even complex biochemical compounds, such as the red respiratory pigment hemoglobin, are found in simple single - celled animals and in some plants.
So long as animal sacrifice, interpreted in such terms, was the major method of approaching deity, it is clear that worshipers could not conceive an approach so simple and spiritual as solitary praying to the «Father who seeth in secret.»
(Cf. I Samuel 14:33 - 35) There was no order of hereditary priests, and the sacrifices, long after the settlement in Canaan, were apparently few in kind and simple in observance principally the peace - offering, where the fat and blood were given to Yahweh and the people feasted on the flesh, and the burnt - offering, where the whole animal was burned upon the altar.
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