
Poriferos
Authored by Mirella Nuñez
Biology
7th Grade
Used 38+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál NO es una característica de los poríferos?
Habitan en medios acuático y son parazoos
Son parazoos y no tienen tracto digestivo
Son móviles y poseen sistema nervioso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántas y cuáles son las capas de células de una esponja?
Son 2 y son: externa e interna
Son 4 y son: pinacoderma, coanoderma, mesohilo y la capa flagelada
Son 3 y son:pinacoderma, coanoderma y mesohilo
Son 3 y son: pinacocitos, coanocitos y las espículas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se llama la abertura grande y la cámara interior de una esponja?
ósculo y esporocito, respectivamente
cavidad interna y externa
no se conoce
ósculo y espongiocele, respectivamente
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se constituye las estructuras duras que forma el "esqueleto" de una esponja?
espinas
flagelos
espículas
pinacocitos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Si no tienen tracto digestivo como digieren su comida?
No comen
Con las células, es decir son "intracelular"
Utilizan a otros animales
El agua les ayuda a digerir
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿En cuál de las capas se produce los gametos y el transporte de nutrientes?
Capa media:Mesohilo
Capa media:Pinacodermo
Capa externa:Coanodermo
Capa interna:Coanodermo
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las capas es semejante a la "epidermis"?
Capa interna:Coanodermo
Capa externa:Mesohilo
Capa externa: Pinacodermo
Capa media:Mesohilo
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