Invertabrates classification



- One seed.

- Root xylem and phloem in a ring.

- vascular bundles scattered.

- leaf veins in parallel pattern

-flower leaves and petals in groups of 3 or multiples of 3

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-Two  seeds

-Phloem in between arms of xylem

-Vascular bundles in distinct ring.

-Veins in leaf form net pattern

-flower parts in fours or fives and their multiples.

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- Fly or ant

- 3 body parts: head, thorax, abdomen

- 3 pairs of legs

-usually 1 or 2 pairs of wings

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- Crab

- Many segments, usually each with claws, feelers or legs.

- Breathe via gills, as live in water.

- Exoskeleton hard for protection.

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- Spider

- Two body parts, eight legs and no wings.

- Piecing jaws as all are predetors

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- Millipedes and centipedes

- Long thin body with many segments to move easily through soil.

- Antennae as sense organs for dark habitats.

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Annelids (true worms)

- Worms

- Many segments on long body.

- Body covered in mucus.

- Hermaphradites

-Bristles for movement

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- Round worms

- Long, unsegmented, cylindrical body.

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- Snail

- Soft body with a muscular foor for movement.

- Often have eyes on retractable tentacles

- Soft body in a calcium carbonate shell

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