What are the similarities and differences between crabs butterflies?

- Both crabs and butterflies are arthropods, which means they have segmented bodies, jointed appendages, and an external skeleton.

- Crabs and butterflies are both bilaterally symmetrical, meaning their bodies can be divided into two mirror-image halves.

- Crabs and butterflies have three main body parts: a head, a thorax, and an abdomen.

- Both crabs and butterflies have antennae, which they use to sense their surroundings.

- Crabs and butterflies have compound eyes, which are made up of many small lenses.

- Crabs and butterflies have three pairs of walking legs.

Differences between crabs and butterflies

- Crabs are aquatic animals, while butterflies are terrestrial animals.

- Crabs breathe through gills, while butterflies breathe through spiracles.

- Crabs have a hard exoskeleton made of calcium carbonate, while butterflies have a soft exoskeleton made of chitin.

- Crabs have two claws, while butterflies have four wings.

- Crabs have a lifespan of up to 3 years, while butterflies have a lifespan of up to 2 weeks.