Sponges
These animals are called invertebrates. Invertebrates have no backbone. Examples of invertebrates are insects.
Phospholipid :)
invertebrates
invertebrates
Worms make up the largest group of complex invertebrates.
Invertebrates do not have backbones.Examples of invertebrates are earthworms,insects,squids etc... Invertebrates are paraphyletic group.
The body of a sponge is covered in tiny openings called pores. These pores allow water to flow in and out of the sponge, which helps the sponge filter out food particles and oxygen from the surrounding water.
Crustacean
Animals that have no backbone are part of the group known as invertebrates. This group includes organisms such as insects, worms, snails, and jellyfish. Invertebrates make up the majority of animal species on Earth.
Answer = Arachnids!
animals with backbones
Beetles are invertebrates