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What is the name of the planktonic larval stage of the phylum porifera?
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Are porifera ever planktonic?
Many sponges are planktonic in their larval stage. Full grown sponges are sessile.
What are special characteristics of porifera?
Porifera are sponges, they have no main organs or tissues. They are a loose aggregation of cells. To eat they pump water though their system and catch the particles in the water. A very basic cell structure.
What are the key taxonomic features of most members of Phylum Porifera?
Characteristics of Porifera: a. No definite symmetry. b. Body multicellular, few tissues, no organs. c. Cells and tissues surround a water-filled space but there is no true body cavity. d. All are sessile, (live attached to something as an adult). e. Reproduce sexually or asexually, sexual reproduction can be either gonochoristic or hermaphroditic. f. Has no nervous system. g. Has a distinct larval stage, which is planktonic. h. Lives in aquatic environments, mostly marine. i. All are filter feeders. j. Often have a skeleton of spicules.
Do reptiles have a larval stage?
No reptiles do not have a larval stage.
What is an embryological feature of a conch?
An embryological feature of a conch is the presence of a planktonic larval stage called a veliger. Veligers have a shell and a ciliated velum used for swimming and feeding, before undergoing metamorphosis into the adult conch.
Are leaches bugs?
Leeches are not bugs (insects). Leeches are animals, segmented worms in the same phylum (Annelida) as earthworms. Although insects do have a larval (worm-like) stage of their development, worms are not related to insects. After the larval stage, insects later develop legs and exoskeletons. Leeches and worms have neither exoskeleton nor legs at any stage of their lives. The larval stage of insects leads to the common misconception that they are related to worms, but this is not the case.
What stage is the larval stage of the butterfly?
CATERPILLAR
Bilateral symmetry is characteristic of?
bilateral symmetry is not the characteristic of a single animal or phylum. phylum platyhelminthes, phylum nematoda, phylum annelida, phylum arthropoda, phylum mollusca, phylum echinodermata in the larval stage and vertebrates are bilaterally symetrical
What is the classification of a caterpiler in?
A caterpillar belongs to the insect class Insecta, within the phylum Arthropoda. It is specifically classified as a larval stage of butterflies and moths, belonging to the order Lepidoptera.
Is the larval stage of lobsters plankton?
no
Does a termite have a larval stage?
Yes they do.
What is the larval stage of a hydrozoan?
planula
