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Questions and Answers
In leeches, the number of segments is fixed during embryonic development, but can be added after hatching.
In leeches, the number of segments is fixed during embryonic development, but can be added after hatching.
False (B)
The number of segments in annelids is always fixed during embryogenesis and does not change after hatching.
The number of segments in annelids is always fixed during embryogenesis and does not change after hatching.
False (B)
Teloblastic growth in annelids occurs simultaneously, with all segments developing at the same time.
Teloblastic growth in annelids occurs simultaneously, with all segments developing at the same time.
False (B)
The annelid species Tubifex is classified as a leech.
The annelid species Tubifex is classified as a leech.
The phylogenetic distribution of teloblasts is identical in all annelid species.
The phylogenetic distribution of teloblasts is identical in all annelid species.
All annelids undergo indirect embryonic development with a pelagic larval phase.
All annelids undergo indirect embryonic development with a pelagic larval phase.
Annelids exhibit metamerism, which allows for localized deformation.
Annelids exhibit metamerism, which allows for localized deformation.
The entire body of an annelid is covered by peritoneum.
The entire body of an annelid is covered by peritoneum.
Annelids are classified under the phylum Arthropoda.
Annelids are classified under the phylum Arthropoda.
All annelids are terrestrial.
All annelids are terrestrial.
The University of the Philippines Cebu offers a course on Invertebrate Zoology.
The University of the Philippines Cebu offers a course on Invertebrate Zoology.
The DOI (Digital Object Identifier) is used to track copyright protection.
The DOI (Digital Object Identifier) is used to track copyright protection.
Annelids are exclusively asexual in their reproduction.
Annelids are exclusively asexual in their reproduction.
Gametes are produced in distinct gonads in annelids.
Gametes are produced in distinct gonads in annelids.
Epitokes are specialized modules for burrowing and sediment digging.
Epitokes are specialized modules for burrowing and sediment digging.
Annelids undergo a marked morphological transformation in preparation for reproductive activity.
Annelids undergo a marked morphological transformation in preparation for reproductive activity.
New reproductive modules bud off from the atoke and attach to other annelids.
New reproductive modules bud off from the atoke and attach to other annelids.
Annelids release their gametes into random segments of their body.
Annelids release their gametes into random segments of their body.
