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What are annelids mollusks and arthropods classified as?
Annelids, mollusks, and arthropods are classified as invertebrates, which are animals lacking a backbone. They belong to the larger group called Coelomates, characterized by having a true coelom, a fluid-filled body cavity. Annelids are segmented worms, mollusks include diverse organisms like snails and octopuses, and arthropods encompass insects, arachnids, and crustaceans, all distinguished by their body structures and developmental processes.
What is closer related to humans mollusks or arthropods?
Arthropods are more closely related to humans than mollusks. Both humans and arthropods belong to the larger group called Ecdysozoa, which is characterized by molting exoskeletons, while mollusks belong to a separate group called Lophotrochozoa. This evolutionary relationship places arthropods and humans closer on the tree of life.
What class does the arthropods belongs to?
They actually belong to the group called Mollusks.
What do mollusks have in common with arthopods?
Arthropods have the common characteristics of exoskeletons made of chitin, necessitating the further characteristics of segmented bodies and joint appendages. The phylum's name arthropoda comes from the greek meaning jointed legs or feet.
What class the arthropods belong to?
The arthropods are a phylum, a larger division than a class. Arthropoda has classes within it.
Are slugs related to prawns?
Yes, slugs and prawns are related in the sense that they both belong to the larger group of animals known as mollusks and arthropods, respectively. Slugs are gastropod mollusks, while prawns are crustaceans within the class Malacostraca. Despite their differences in habitat and appearance, both groups share a common ancestor in the evolutionary tree. However, they belong to distinct taxonomic groups and have diverged significantly over millions of years.
Which arthropods have four antenna?
The crustaceans are arthropods with biramous (branching) appendages, including a larger and smaller pair of antennae, the smaller ones being referred to as antennules.
Do mollusks have appendages?
WELLL, cephalopods, a type of mollusks, have a mantle and feet no, more like arms and tentacles. the word 'cephalopod' means 'head-foot' meaning their heads are close to their feet[-like things]. their mantle is not the same as their head; it is on top of their head, yet larger than it. Hope that helps! 0n0 U
Do arthropods and mollusks have lungs?
No for arthropods; yes for some molluscs. The larger aquatic arthropods like lobsters and crabs accomplish gas exchange using gills. Smaller ones like the land-based insects have holes (spiracles) in the exoskeleton and a tube system to facilitate gas exchange necessary for respiration. In this case, unlike mammals which use lungs to oxgenate blood which is pumped to the tissues, the tracheal tubes from the spiracles deliver oxygen directly to the tissues. Aquatic molluscs have gills for gas exchange whereas molluscs adapted to live on land like snails do have a lung.
Why do arthropods molt and what purpose does this process serve in their life cycle?
Arthropods molt to grow and develop. Molting allows them to shed their exoskeleton and replace it with a larger one as they grow. This process is essential for arthropods to accommodate their increasing size and to continue their life cycle.
Which to species are more closely relatedworms and spiders or worms and ants?
Worms and ants are more closely related than worms and spiders. This is because worms (which are annelids) and ants (which are insects) are both part of the larger group of arthropods and share a more recent common ancestor. In contrast, spiders belong to a different phylum (arachnids) and have a more distant evolutionary relationship with worms.
Why do arthropods undergo molting as part of their life cycle?
Arthropods undergo molting to grow because their exoskeleton does not grow with them. Molting allows them to shed their old exoskeleton and grow a new, larger one.
