Kingdom Animalia - created from Mind Map

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Kingdom Animalia

Characteristics:

Eukaryotic

Hetertophic

Multicellular

Rely on structural proteins like collagen for support (no cell wall)

Composed of specialized tissues which arise from embryonic germ layers

Typically Motile

Diploid and reproduce SEXUALLY

Original Ancestors:

Colonial Choanoflagellates

First animals lived about 700 million years ago

Classifications:

Animals can be classified by body plans, symmetry, etc.

Symmetry:

SPONGES LACK SYMMETRY

Eumetazoans: animals that have true tissues

Radial Symmetry:

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Anatomical Terms

Dorsal: Near or towards the back

Ventral: Near or towards the belly

Lateral: Near or towards the sides; left & right

Median: Near or towards the middle

Anterior: Near or towards the front end

Posterior: Near or towards the hind end

Longitudinal: Parallel to the long axis from head to tail

Transverse: Perpindiculaar to the long axis from head to tail

Proximal: DIRECTIONAL TERM- close to the main part of the body

Distal: DIRECTIONAL TERM- far from the main part of the body

Superficial: Near the surface

Deep: Below the surface

Pectoral: Relates to the chest

Pelvic: Relates to the hip region

Caudal: Refers to the tail

Cranial: refers to the head