Animals

Animals are Multicellular Eukaryotes Heterotrophic

Body Plans Radial: same all the way around. Like a wheel. Segmented: divided into segments. Bilateral: same on both sides. Has a front & back. Asymmetrical: no symmetry.

Radial

Segmented

Bilateral

Asymmetrical

Animals have Cells that make up Tissues that make up Organs that make up Organ Systems that make up Organism

Reproduction Most reproduce sexually But some can reproduce asexually Some animals provide parental care, but most do not

Animals are either Invertebrates: without a backbone OR Vertebrates: with a backbone

Invertebrates Largest group Ex. Sponges, jellyfish, anemones, coral, worms, mollusks, starfish, insects, spiders.

Vertebrates (aka Chordates) Notochord: a firm, flexible rod that provides support & stability Pharyngeal pouches: embryonic foundational tissues that develop into different structures Endoskeleton: an internal skeleton of bones, cartilage, or both.