Mollusks are creatures in the phylum mollusca, a very broad taxonomic grouping that includes about 85,000 species. All mollusks are invertebrates and include both some very simple species and some of the most intelligent invertebrates on the planet....
Shelling requires a lot of patience. Common shells are easy to find. But, you’re not likely to find all the seashells you hope to find on the same beach or day. Make sure your shells aren’t inhabited. Seashells are made by mollusks, which are live animals. Taking live shells away ...
It allows them to maintain an underwater aquatic lifestyle well after their juvenile stage is finished (though they do have lungs as well as gills to breathe air). But perhaps their most unusual and fascinating trait is that they have the ability to regenerate entire limbs, lungs, hearts,...
Do all mollusks have a calcareous exoskeleton? What are jellyfish made of? Which arthropod subgroup includes those with an exoskeleton of chitin? What do crabs eat in the coral reef? What happens to the exoskeleton of prawn as it grows?
题目Octopuses (章鱼) arc kind of like aliens.They are amazing in many ways.They have three hearts.They can walk,they can sw1 m,and they can drive themselves forward at high speed.They can change colour and copy what other animals do.They even know how to open scr...
Plants and some animals have a better fossil record than dinosaurs. They also give clues about climate that dinosaur fossils do not. Some marine protozoans (single-celled organisms), called foraminifera, have shells that tell the temperature of the water where the animal lived. By studying the ...
) A special structure found in the mouth of most mollusks, except bivalves. It consists of several muscles and a cartilage which supports a chitinous radula, or lingual ribbon, armed with teeth. Also applied to the radula alone. See Radula. Odontophorous (a.) Having an odontophore. ...
Butterfly fish are omnivores, meaning they eat both plant and animal matter. Their diet typically consists of small invertebrates, such as crustaceans and mollusks, as well as algae and other plant material. Some species of butterfly fish have specialized diets, feeding exclusively on certain types...
What do butterflies represent? Butterflies are deep and powerfulrepresentations of life. Butterflies are not only beautiful, but also have mystery, symbolism and meaning and are a metaphor representing spiritual rebirth, transformation, change, hope and life. ...
Some of the things they eat are not even healthy for them, like bread. For the most part, though, they will eat fish, mollusks, and some invertebrates before considering venturing too close to potential predators for a meal. How Do Seagulls Find Food? Seagulls easily find food with their ...