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The Kingdom Animalia : Unifying Characteristics and Major Divisions. I edited this power point from Eric Kessler . Unifying Characteristics. Multicellular Can generate movement Haploid Gametes Diploid Somatic Cells Embryonic Development Mitochondrial Eukaryotes Heterotrophic

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the kingdom animalia unifying characteristics and major divisions

The Kingdom Animalia:Unifying Characteristics and Major Divisions

I edited this power point from Eric Kessler

unifying characteristics
Unifying Characteristics
  • Multicellular
  • Can generate movement
  • Haploid Gametes
  • Diploid Somatic Cells
  • Embryonic Development
  • Mitochondrial Eukaryotes
  • Heterotrophic
  • Aerobic Respiring
haploid gametes
Haploid Gametes
  • In animals the adults produce haploid (having half the number of chromosomes) gametes through meiosis
diploid somatic cells
Diploid Somatic Cells
  • As the zygote develops the resulting body or somatic cells are diploid
the embryonic blastula
The Embryonic Blastula
  • After fertilization of an egg by sperm, the resulting diploid (having two pairs of chromosomes) zygote rapidly goes through mitosis
  • All animals become a hollow sphere of cells called a blastula
gastrulation the gut
Gastrulation & The Gut
  • After the blastula stage, in some animals cells migrate to the interior forming the primitive gut
  • In Protostomes the initial pore forms the mouth, while in the Deuterostomes this pore forms the anus
mitochondrial eukaryotes
Mitochondrial Eukaryotes
  • Cells contain Mitochondria inside that carry on Cellular Respiration
  • O2 + Glucose CO2 + H2O + ATP
heterotrophic and aerobic respiring
Heterotrophic and Aerobic Respiring
  • In order to acquire the Glucose necessary for cellular respiration animals must be consumers and eat organisms already containing glucose
  • In order to acquire the Oxygen gas necessary for cellular respiration animals must have mechanisms of obtaining oxygen
types of symmetry
Types of symmetry

Photo. http://images.tutorvista.com/content/animal-kingdom/animal-symmetry-types.jpeg accessed 8/21/2012 11:32 EST.

radial symmetry
Radial Symmetry
  • Body plan in which the body parts are arranged regularly around a central axis (multiple planes cut into mirror halves)
bilateral symmetry
Bilateral Symmetry
  • Body plan in which body parts are arranged into a left and right around a central plane (one plane cuts into mirror images)
  • Cephalization results from this plan
cephalization
Cephalization
  • This describes the collection of neural cells into one common location to form a brain or ganglion.
  • Usually in bilateral animals.
  • Is associated with a mouth since mouths require so much information processing.

Left: brain of child with Microcephaly

Right normal child’s brain size

Cephalopod head

foot

segmentation
Segmentation
  • Segmented organisms have a repeating series of body units that may or may not be similar to one another
major divisions
Major Divisions
  • Symmetry, Movement, & Cephalization
  • Gastrulation & Gut Formation
  • Dermal Tissues & Coelome Development
  • Segmentation
coelome development acoelomate
Coelome Development:Acoelomate
  • The coelome is a fluid filled cavity surrounded by mesodermal tissue
  • Acoelomate animals lack a fluid filled cavity and are Triploblastic
pseudocoelomate
Pseudocoelomate
  • Pseudocoelomate animals have a fluid filled cavity but it is not contained within mesoderm tissue. Instead it lies between the mesoderm and endoderm
  • Pseudocoelomates are Triploblastic (having an Ectoderm, Endoderm, and Mesoderm)
eucoelomate
Eucoelomate
  • Eucoelomate animals have a true fluid filled cavity contained with in the mesoderm
  • Eucoelomates are also Triploblastic
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