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Animals. kingdom. What are their similarities?. What are their differences?. Objectives. Name the main characteristics Explain what symmetry is Describe what is cephalization Mentioned the different body plans that animals have

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Presentation Transcript
animals

Animals

kingdom

what are their similarities
What are their similarities?

What are their

differences?

objectives
Objectives

Name the main characteristics

Explain what symmetry is

Describe what is cephalization

Mentioned the different body plans that animals have

Explain the difference of an open circulatory system vs. a closed one

characteristics
Characteristics
  • Eukaryotes without cell wall
  • Multicellular
  • Heterotrophs
  • Locomotion
slide12

Classification;

Phylogenetic tree

body symmetry

Asymmetrical

Radial

Symmetrical

Body Symmetry

Animals are classified by different symmetry plans.

cephalization
Cephalization

Bilateral animals tend to have sensory and brain in the front.

body plan
Body Plan

Most have a body cavity filled with fluid.

slide24

Classification;

Phylogenetic tree

circulatory system
Circulatory System

Most have a circulation system.

circulatory system1
Circulatory System

No circulatory system: ex. Sponges

Open circulatory system: ex. Arthropods, mollusks

Closed system: ex. mammals

circulatory system2
Circulatory System

No circulatory system: ex. Sponges

circulatory system3
Circulatory System

Open circulatory system: ex. Arthropods, mollusks

Closed system: ex. mammals

circulatory system4
Circulatory System

Closed system: ex. mammals

invertebrate vs vertebrates
Invertebrate vs. vertebrates

Most have a circulation system.

slide32

The one thing that all invertebrates have in common is their lack of a backbone; otherwise, they're as different from one another as they are from vertebrates.

All vertebrates fall under one phylum, chordata;

invertebrates, on the other hand, include over 30 different phyla,

collectively accounting for 98 to 99 percent of all known animal species.

slide33

Phylum Chordata

  • General Characteristics:
  • All chordates have a
  • dorsal hollow nerve tube,
  • a notochord, and
  • pharyngeal gill slits.
  • All vertebrates (members of a subphylum of chordata) have a backbone (spinal column) and a closed circulatory system.
slide34

Which phylum is closely related to Chordates?

Classification;

Phylogenetic tree