Crustaceans with long life cycles and distinct size difference between juveniles and adults represent three to five ecologically different functional "species" each, since the smaller size groups of the same species differ with regard to their mobility, food and habitat use. Thus, crustaceans are ...
Insects’ remarkable success is thought to be due in part to being the only invertebrates to have evolved powered flight, which has allowed them to exploit various niches that are unavailable to more earthbound groups. Insect flightmanifests itself in many different ways, whether it’s the breath...
where there is almost no precipitation, and the environment is hostile for any creature to inhabit. Deserts have been classified in a number of ways, generally combining total precipitation, how many days the rainfall occurs, temperature, humidity, and sometimes additional factors. In some places,...
However, many recipes call for cooking them in their shells to retain flavour. Use kitchen scissors or a sharp knife to cut down the back of the langoustine and remove the digestive tract. Once cleaned, you can grill, boil, or sauté the langoustines, keeping cooking time short to preserve...
Tierra del Fuego, at the southern tip of the Americas, is brimming with an incredible menagerie of life. This is the plan to keep it that way.
Plants and animals are different in the following ways: Plants are autotrophs while animals are heterotrophs. Both plants and animals have different...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer ...
Close-up view of beak and mouth parts Marcus Williams, HowStuffWorks And although the octopus does not have any teeth in the standard sense, it has several other just as effective methods of cracking into crustaceans and mollusks. The octopus has a veritable Swiss Army knife of tools located...
The pill bug, more commonly known as a rolly polly, is another helpful critter that isn’t technically an insect. Pill bugs are actually crustaceans (like shrimp and crabs). Pill bugs have slate-gray body segments that look like plates of armor, and they roll up into tight balls when exp...
-- no one is sure just how many narwhals there are. In parts of Baffin Bay, where narwhals are most populous, the number has been recorded at 34,000 [source:Culik]. And you won't be able to tell if the narwhals really enjoyed your company -- like dolphins, they have permasmiles...
Bees have paid back such flowers by evolving specific body parts that make them more efficient at collecting and dispersing pollen. Pollen and People Bees, along with other creatures, are important and highly adapted pollinators. iStockphoto/Thinkstock Plants, pollen and pollinators are ...