Which Of The Following Has A Water Vascular System?

Which Of The Following Has A Water Vascular System? The water vascular system is a hydraulic system used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration. The system is composed of canals connecting numerous tube feet What class has a water vascular system? Echinoderms possess a

Does SpongeBob Make You Smarter?

Does SpongeBob Make You Smarter? Parents, your instincts are correct: SpongeBob SquarePants is a bad influence. A research study has found that watching even nine minutes of the fast-paced cartoon can have immediate negative effects on a preschooler’s brain function. Is SpongeBob bad for your brain? Parents, your instincts are correct: SpongeBob SquarePants is a

Is A Jellyfish A Simple Invertebrate?

Is A Jellyfish A Simple Invertebrate? But despite their name, jellyfish aren’t actually fish—they‘re invertebrates, or animals with no backbones. What type of invertebrate is jellyfish? jellyfish, any planktonic marine member of the class Scyphozoa Are jellyfish complex or simple? Jellyfish are prehistoric creatures that have inhabited oceans around the world for millions of years.

How Do Cnidarians Obtain Food Quizlet?

How Do Cnidarians Obtain Food Quizlet? Cnidarians are carnivores that often use tentacles arranged in a ring around their mouth to capture prey and push the food into their gastrovascular cavity Why are sponges not considered true animals? Although they have specialized cells for particular functions, they lack true tissues in which specialized cells are

What Are Sponge Invertebrates?

What Are Sponge Invertebrates? Sponges are simple invertebrate animals that live in aquatic habitats. Although the majority of sponges are marine, some species live in freshwater lakes and streams. They are found in shallow ocean environments to depths as great as five kilometers (km). How are sponges different other invertebrates? Sponges are similar to other

What Animals Have Hollow Bodies?

What Animals Have Hollow Bodies? Answer: Explanation: Classes of hollow-bodied animals includes jellyfish, hydra, sea anemones and coral . Are hollow-bodied animals that have stinging cells? Nearly all (about 99 percent) cnidarians are marine species. Cnidarians contain specialized cells known as cnidocytes (“stinging cells”), which contain organelles called nematocysts (stingers). These cells are present around