Invertible and Invertible Animals

Invertebrate vs Vertebrate: Number of species

• There are more vertebrate species than invertebrates

• There are equal numbers of invertebrate and vertebrate species

• There are more invertebrate species than vertebrates

• There are no invertebrate species

Example of invertebrate: Arachnid

• Spider

• Crab

• Lobster

• Octopus

Invertebrate vs Vertebrate: Size

• usually smaller

• usually larger

• typically the same size

• varies greatly depending on species

Invertebrate importance: Decomposition

• break down dead matter

• produce oxygen

• filter water

• provide shelter for fish

Example of invertebrate: Mollusk

• Snail

• Goldfish

• Eagle

• Tiger

Invertebrate size range

• tiny to moderate

• small to large

• microscopic to gigantic

• minimal to extensive

Invertebrate vs Vertebrate: Examples

• ant, jellyfish; vertebrates: dog, fish

• cat, lizard; invertebrates: snail, octopus

• sparrow, eagle; invertebrates: crab, starfish

• frog, turtle; invertebrates: worm, sea cucumber

Invertebrate definition

• with a backbone

• without a backbone

• a type of vertebrate

• a small aquatic animal

Invertebrate vs Vertebrate: Skeleton

• Invertebrates have bones; vertebrates do not

• Invertebrates have no bones; vertebrates have bones

• Both invertebrates and vertebrates have bones

• Invertebrates have a skeleton made of cartilage; vertebrates have a bony skeleton

Example of invertebrate: Cnidarian

• Jellyfish

• Goldfish

• Shark

• Salmon