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random
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Preguntas del test (22)
1[blank_start]ostium[blank_end] inflow opening
- Aostium
2[blank_start]Osculum[blank_end] outflow opening
- AOsculum
3[blank_start]spongocoel[blank_end] internal cavity; absent in the most complex sponges
- Aspongocoel
4[blank_start]mesohyl[blank_end] connective tissue of the spong. found between the pinacoderm and choanodern
- Amesohyl
5[blank_start]Choanocytes[blank_end]: flagellated collar cells
- AChoanocytes
6[blank_start]Pinacocytes[blank_end]: cells that line external surface and some internal spaces; form pinacoderm, a sort of proto-tissue.
- APinacocytes
7[blank_start]Porocytes[blank_end]: cells that form passageways in asconoid sponges.
- APorocytes
8[blank_start]Archaeocytes[blank_end]: amoeboid cells found within the mesohyl.
- AArchaeocytes
9[blank_start]Spicules[blank_end]: rigid struts composed of calcareous or siliceous material.
- ASpicules
10[blank_start]Spongin[blank_end]: protein fibers that form a network within the sponge
- ASpongin
11Choanocytes line the spongocoel and there is a single [blank_start]osculum[blank_end].
Attached to substrate by a [blank_start]stolon[blank_end].- Aosculum
- Bstolon
12The [blank_start]Phylum Porifera[blank_end] gets its name from the many tiny pores, or ostia, that cover the body of a sponge.
[blank_start]Sessile[blank_end]: immobile as adults.- APhylum Porifera
- BSessile
13[blank_start]Choanocytes[blank_end]: flagellated “collar” cells that line the internal spaces of the sponge and create water currents. The collar is formed from microvilli.
- AChoanocytes
14Sponges are [blank_start]filter-feeders[blank_end]. Choanocytes trap food particles suspended in the water on the collar. These particles are then engulfed by endocytosis, passed off to other cells, and digested intracellularly.
- Afilter-feeders
15[blank_start]Syconoid[blank_end]: body form in which wall of the sponge is folded into a series of canals. All are in the Class Calcarea.
- ASyconoid
16Choanocytes line the [blank_start]radial[blank_end] [blank_start]canals[blank_end], not the spongocoel. There is a single osculum.
- Aradial
- Bcanals
17[blank_start]Leuconoid[blank_end]: most complex body form in sponges.
It is characterized by multiple [blank_start]oscula[blank_end] that are fed by excurrent canals.
The choanocytes line [blank_start]flagellated[blank_end] [blank_start]chambers[blank_end] which are fed by incurrent canals.- ALeuconoid
- Boscula
- Cflagellated
- Dchambers
18Body is a [blank_start]syncytium[blank_end], that is, composed of numerous cells linked together. The linked cells form the [blank_start]trabecular[blank_end] [blank_start]reticulum[blank_end].
- Asyncytium
- Btrabecular
- Creticulum
19Most sponges are [blank_start]hermaphroditic[blank_end] (monoecious) with each individual producing both male and female gametes.
- Ahermaphroditic
20Fertilized eggs develop into free swimming [blank_start]parenchymula[blank_end] [blank_start]larvae[blank_end].
- Aparenchymula
- Blarvae
21Sponges can reproduce [blank_start]asexually[blank_end] by [blank_start]budding[blank_end] and by [blank_start]fragmentation[blank_end]. This is facilitated by the high degree of independence displayed by sponge cells.
- Aasexually
- Bbudding
- Cfragmentation
22some sponges can form [blank_start]gemmules[blank_end], internal buds containing numerous archaeocytes
- Agemmules
Información
- Descripción
- Zoology Test sobre random, creado por Chavon Rodgers el 11/10/2019.
- Autor
- Chavon Rodgers
- Idioma
- English
- Visitas
- 0
- Etiquetas
- Valoración
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