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절지동물에 대한 자료

저작시기 2009.06 |등록일 2010.02.12 파워포인트파일MS 파워포인트 (ppt) | 28페이지 | 가격 3,500원

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절지동물(Arthropods)에 대한 내용이 담긴 영문 발표 자료입니다.

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목차

Phylum Arthropoda
Arthropods
Success of the Arthropods
ARTHROPOD EVOLUTIONARY ADVANCES
Exoskeleton

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본문내용

Phylum Arthropoda
Body segmented, in one or two distinct regions.
Paired segmented appendages (legs).
Arthropods
Joint-legged animals without backbones are called arthropods and are placed in the phylum Arthropoda. Human legs are jointed at the knees, but we have backbones, so we`re not arthropods.
Arthropods
Both ticks and insects are members of the phylum Arthropoda, but ticks are members of the class Arachnida, while insects belong to the class Insecta.
Success of the Arthropods
Arthropods are the most successful group of animals on earth!
ARTHROPOD EVOLUTIONARY ADVANCES
Jointed legs give arthropods more mobility on dry land than mollusks and worms have
Arthropod



composed of numerous plates (sclerites) that fused together form a solid capsule containing :
the ocelli ( 1 to 3 simple eyes),
two compound eyes,
one pair of antennae
mouth parts
Insect Mouth Parts
Knowing mouth parts can help identify what type of insect is doing damage to a plant.
Four different kinds of insect mouth structures
Insect Mouth Parts
Chewing
Piercing-sucking
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