Many products are neurotoxic insecticides that work on specific nervous receptors which adult fleas, ticks, and other insects have in greater quantity
than mammals like cats, dogs, and people.
That Steve was named Steve was also revealing: Octopuses are the only animals, other
than mammals like cuddly seals, that aquarium workers bother to name.
Not exact matches
These features, together with their egg - laying ability, are more
like that of a lizard
than a
mammal.
Most remarkably, the creature, which was less
than 3 feet long, had the body of a fish but the jaws, ribs, and limb -
like fins seen in the earliest land
mammals.»
Example in point: Opposition to embryonic stem cell / human cloning research: It isn't anti science to oppose treating nascent human life
like a corn crop or manufacturing embryos, anymore
than it is anti science
than the Animal Welfare Act the proscribes what can and can't be done in scientific research with some
mammals.
The shape of the creature's 36 - centimeter (1.2 - foot) snout, which points straight forward rather
than slightly downward
like today's river dolphins, suggests the
mammal spent most of its time at sea and likely fed on fish, the scientists say.
Pigs and people, both
mammals, pass flu back and forth quite easily; a pig is more
like a person
than a chicken when it comes to temperature and cell receptors.
Mammals can maintain a constant body temperature and so are thought to be less vulnerable to temperature changes
than cold - blooded animals
like reptiles.
Like pyrethroids, fipronil is far less toxic to birds and
mammals than other insecticides, but can still kill small aquatic life.
Like Rich, he thinks that A. nyktos is a primitive tribosphenic
mammal, but disagrees that it can be categorized more specifically
than that.
It is even less diverse
than other endangered
mammals, such as the cheetah or Tasmanian devil, or birds,
like the crested ibis or osprey.
More
than 60
mammal species —
like the famous flying squirrel — have adapted the ability to sail from tree to tree.
The only
mammal -
like critters were usually smaller
than rats, and they scuttled through the underbrush chasing insects.
«They look very different
than mammals today,» says team member and paleobiologist Kenneth Angielczyk of Chicago's Field Museum,» similar to the way a T. rex doesn't look much
like a goldfinch.»
Indeed, expanding the survey to include the bats» compatriots of the skies: woodpeckers, egrets, hummingbirds, and other birds, showed that the genome dynamcis of the two flying
mammal species was more
like that of the birds
than the land - bound
mammals.
Mammals (and birds, who are also «warm - blooded») tend to grow much faster
than «cold - blooded» vertebrates,
like fish and reptiles.
That's 7000 different ways of saying «good morning» or «it looks
like rain» — more languages in one species of
mammal than there are mammalian species.
Sea otters must eat about 25 % of their body weight daily to maintain their body temperature since unlike other marine
mammals they rely solely on their fur rather
than an extra layer of blubber to stay warm — it's
like a 120 - pound human eating 30 pounds of food per day.
Dinosaurs are more closely related to snakes
than they are to
mammals, and the moose and the horse are no better guides to what dinosaurs looked
like than manatees, humans, or voles.
When they examined the canal structures of more
than 200
mammal species, the research team found that fast, agile movers —
like gibbons and leaping tarsiers — have exceptionally large canals for their size, while slow, deliberate animals
like sloths have small ones.
Like other
mammals, the platypus secretes milk through its skin to feed offspring and is warm - blooded — though its body temperature is nine degrees Fahrenheit (five degrees Celsius) cooler
than that of a human.
So rather
than taking after big marine
mammals, what if we could learn from the littler ones,
like beavers and otters?
Yet according to Willem Hillenius, a physiologist at UCLA who is also a paleontologist, maxilloturbinals perform an even more fundamental task
than acting as a filter: they permit
mammals like us to be warm - blooded.
But more importantly, that's also faster
than the snakes»
mammal prey,
like jackrabbits and kangaroo rats.
«
Mammal -
like reptile survived much longer
than thought: Fossils in Japan overturn widely accepted theory about tritylodontid extinction.»
By the end of the Pleistocene, when the last great ice age ebbed, other human ancestors were gone, humans had settled the Americas and long - range weapons
like spears and arrows were common — and the average mass of
mammals had fallen from nearly 100 kg (220 pounds) to less
than eight.
Interestingly, the mammalian Boule proteins appeared to share higher sequence similarity
than insect homologs despite the fact that
mammals have an additional Boule -
like protein, Dazl, suggesting that the presence of Dazl did not relieve the selective pressure on Boule in any significant way.
All types of
mammal milk, including cow's milk and human milk, also contain another type of casein called kappa casein, but kappa casein comes in two very different forms — a «ruminant» form (for animals with more
than one stomach,
like cows) and a «non-ruminant» form (for animals with only one stomach,
like humans).
Mammals have faster rates of digestion
than more primitive animals do thanks to small, finger -
like projections called «microvilli» that increase the surface area of the intestines by about seven-fold.
The Italian greyhound, much
like the Jack Russell Terrier has a particularly high prey drive and even when trained if they are off leash and catch sight of a small
mammal they will more
than likely take off in pursuit of them.
So far this year, The Marine
Mammal Center has released more
than 100 healthy animals back to the wild, many of them young sea lions just
like Percevero.
At Egg Mountain near Choteau dinosaur eggs have been discovered supporting the theory some dinosaurs were more
like mammals and birds
than like reptiles.
Our dear old Earth has had carbon dioxide levels much higher
than what we see now and life of all kinds flourished, including
mammals like us.
Of far greater concern
than corals in particular is the ocean food chain in general, because while acidification will probably result in more oceanic dead zones as the amount of CO2 goes up and the amount of oxygen falls, if you kill off the plankton and pteropods that use carbonate to make their shells, then you kill off the food supply for the vast majority of higher organisms (
like mollusks, fish, and even marine
mammals).
Second, some
mammals seem more vulnerable to habitat loss
than others: insect - eating
mammals —
like anteaters, armadillos and some primates, are the first to disappear — while other groups,
like herbivores, seem to be less sensitive.»