Image of Ornate terebellid worm

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Ornate Terebellid Worm

Amphitrite ornata (Leidy 1855)

breeding season

Egg Characteristics and Breeding Season for Woods Hole Species
august
URI: http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C106187

Definition: The eighth month of the year in the Gregorian calendar.

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(max)
Egg Characteristics and Breeding Season for Woods Hole Species
june
URI: http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C106185

Definition: The sixth month of the year in the Gregorian calendar.

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(min)

cleavage stage

Egg Characteristics and Breeding Season for Woods Hole Species
unequal cleavage
URI: http://eol.org/schema/terms/unequalCleavage

Definition: In unequal cleavage, the first two cell divisions are unequal producing four cells in which one cell is bigger than the other three. This larger cell is specified as the D macromere.

Attribution: https://en.wikipedia.org/wiki/Cleavage_(embryo)

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Egg Characteristics and Breeding Season for Woods Hole Species
spiral
URI: http://purl.obolibrary.org/obo/PATO_0000404

Definition: A shape quality inhering in a bearer by virtue of the bearer's being curled or wound (especially in concentric rings or spirals).

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egg coat

Egg Characteristics and Breeding Season for Woods Hole Species
none
URI: http://purl.bioontology.org/ontology/SNOMEDCT/260413007

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egg color

Egg Characteristics and Breeding Season for Woods Hole Species
opaque
URI: http://purl.obolibrary.org/obo/PATO_0000963

Definition: A optical quality inhering in a bearer by virtue of the bearer's not being clear; not transmitting or reflecting light or radiant energy.

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egg diameter

Egg Characteristics and Breeding Season for Woods Hole Species

100 µm

(average)

rate of development

Egg Characteristics and Breeding Season for Woods Hole Species
fast
URI: http://purl.obolibrary.org/obo/PATO_0000912

Definition: Increased rate. A rate which is relatively high.

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stage at fertilization

Egg Characteristics and Breeding Season for Woods Hole Species
meiotic metaphase i
URI: http://purl.obolibrary.org/obo/GO_0007132

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