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Definition
| An organism having a set number of body cells |
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Definition
| A non-living outer layer secreted by the hypodermis; must be shed between each juvenile stage |
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Definition
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Definition
| Four internal projections: dorsal and ventral cords bear nerve cords; lateral cords bear excretory canals |
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Definition
| Shedding of the outer cuticle layer (molting) |
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Definition
| Found in male nematodes: hold the female vulva open against hydrostatic pressure (males have a hook) |
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Definition
| Reproduction in which haploid males are produced parthenogenetically, and diploid females are from fertilized eggs (pinworms) |
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Definition
| Producing eggs that hatch outside the body |
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Term
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Definition
| Embryos develop inside eggs that are retained within the mother's body until they are ready to hatch |
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Term
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Definition
| Development of the embryo inside the body of the mother, eventually leading to live birth |
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