Phylum Nematoda Flashcards

1
Q

Phylum Nematoda common name

A

Round worms

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2
Q

Phylum Nematoda

Feeding mechanism

A

Predators and fluid feeders

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3
Q

Phylum Nematoda

Germ layers

A

Triploblastic

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4
Q

Phylum Nematoda

Have a space that is no mesodermally derived

A

Pseudocoelomate

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5
Q

Phylum Nematoda

Feeding Mechanisms

A

Predators, fluid feeders

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6
Q

Phylum Nematoda

Have a big enough surface area to body ratio to not need specialized ____ ____

A

Respiratory Structures

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7
Q

Phylum Nematoda

Structure for excretion

A

Renettes

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8
Q

Phylum Nematoda

Use water pressure to keep their shape

A

Hydrostatic skeleton

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9
Q

Phylum Nematoda

Symmetry

A

Bilateral + cephalizaion

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10
Q

Phylum Nematoda

Nervous system

A

Anterior nerve ring w/ anterior and posterior nerves

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11
Q

Phylum Nematoda
Circulatory system
(same as flatworms)

A

No obvious circulatory system

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12
Q

Phylum Nematoda

Where can they live?

A

Fresh water, marine, terrestrial

some are internal parasites

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13
Q

Phylum Nematoda

Reception?

A

Chemoreception

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14
Q

Phylum Nematoda

Reproductive parts?

A

Dioecious

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15
Q

Phylum Nematoda

Dimorphic

A

2 Body forms

Male or Female

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16
Q

Phylum Nematoda

Euteley

A

Genetically determined cell count

All individuals have the same number of cells

17
Q

Phylum Nematoda

Supergroup

A

Ecdysozoa

18
Q

Ascaris Lumbricidae life cycle

A

Adult in small intestine -> feces -> hatch -> larvae -> (ingested) stomacg -> small intestine -> circulatory system -> lungs -> trachea -> pharynx -> esophagus -> stomach -> adult in small intestine