The kingdom animalia unifying characteristics and major divisions
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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

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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


The body planes

The Body Planes


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.


Spherical symmetry

Spherical Symmetry


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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