If there is no invertebrates there will be no life on earth, for example pollinators such as bees and butterflies are important for plants to complete their life cycle.
Porifera use spicules to protect themselves
Yes. It has a shell. Invertebrates have no backbone, vertebrates do. Invertebrates often have a hard external shell (like a mussel), or exoskeleton (like a crab), to protect them from predators.
Decapods (Lobsters, crabs etc.) are examples of invertebrates that have shells or chitinous bodies that protect their bodies.
They are insects, therefore they are invertebrates.
Yes, a ladybug is an invertebrate. Ladybugs do not have spines but have an exoskeleton (which means it wears it's protective 'bones' on the outside of it's body). All insects are arthropods, thus all insects are also invertebrates.
No, they are no invertebrates.
An invertebrate is a classification of an animal which means that the animal does not have a spine. A good example of an invertebrate is a jellyfish. There are also some insects that are invertebrates, amny of which have exoskeletons, or a hard outer shell to protect them.
They are insects, therefore they are invertebrates.
Hermit crabs do not have backbones. They are invertebrates, with hard exoskeletons that protect their bodies. (However, the exoskeleton does not cover its soft abdomen.)
Owls are invertebrates.
Invertebrates.
They are invertebrates