bone fat- fatty matter in bones extracted with solvents or by boiling or steaming; used chiefly in candles and cheap soaps and in lubricating greases butterfat- the fatty substance of milk from which butter is made fat- a soft greasy substance occurring in organic tissue and consisting of a ...
Their unique adaptations for flight, including wings, feathers, and hollow bones, have allowed them to conquer the skies. Eagles: These powerful raptors are known for their sharp eyesight, strong talons, and impressive wingspans. Hummingbirds: These tiny birds are renowned for the...
But most of us have hollow bones and most of us fly 巨嘴鸟: 鸟是硬壳蛋生的 我们有喙和羽毛,腿上有鳞片 不是所有的都能飞上天空 但我们中的大多数骨头是中空的,我们大多数都会飞 Frog: Amphibians lead a double-life in cold blood Our metamorphosis...
... jaw. The construction of these teeth is very singular; they are hollow for a portion of their length, and in each tooth is found a narrow slit communicating with the central hollow; the root of the fang rests on a kind of bag, containing a certain quantity of a liquid poison, ...
Both reticulin and cytoplasmic processes are not normally visible with light microscopy but are visible with silver reticulin stains (e.g., Gordon and Sweet's and sometimes with periodic acid–Schiff). Bone marrow is highly vascularized but does not have lymphatic drainage. Marrow of long bones ...
It’s probably also important to know that present-day birds share many flying-specific features with Quetzalcoatlus and Pterosaurs in general (relatively small bodies/hollow bones for lightness and large brains/good eyesight for, you know,not crashing) but present-day birds did not evolve from ...
There are more than 100,000 species of mollusks including octopuses, snails, and slugs. There are approximately nine thousand bird species in the world today. Birds evolved from reptiles approximately 150 million years ago. They have hollow bones. ...
Just like other cats, the mightylion(Panthera leo) uses its tongue to groom its fur. Feline tongues are very effective combs; they're covered with tiny spines known as papillae, which are sharp, hollow and curved backward toward the cat's throat, according to a 2018 study in the journal...
1. Stonehenge, a neolithic site designed to celebrate the winter solstice and new year is now known to be a major site of animal sacrifice and feasting given the vast number of butchered bones left behind.2. Gaelic is sure fun to pronounce! Samhain Oiche should be read as “sah-win ee...
Members of this group include game birds, birds of prey, hummingbirds, perching birds, kingfishers, buttonquail, loons, owls, pigeons, parrots, albatrosses, waterfowl, penguins, woodpeckers and many others. Birds have many adaptations for flight such as lightweight, hollow bones, feathers, and ...