0
En estrellas de mar (Clase Asteroidea, Phylum Echinodermata), las paxilas son placas pequeñas muy cercanas entre sí que tienen una columna central en forma de hongo de la cual salen espinitas. Su función es evitar que la arena obstruya la superficie aboral de la estrella que es donde se da el intercambio gaseoso y la formación de corrientes alimentarias.
What else can I help you with?
Related Questions
Trending Questions
What do you have to do if you find a baby bird?
Does American Eagle outerwear come in a XXXL size?
Do quail fly?
Can any bird see both ultra violet and infra red light?
Can chickens eat fresh figs?
What is a female blue and yellow macw called?
Douse a jaguar eat a scarlet macaw?
What can the little blue penguin do?
Why is it difficult to study the origin of birds based on fossils?
What logo has a black eagle?
What size is a goldfinch?
What is wattle and daub?
Why don't seagulls like flying when the sea is rough?
How much wind does thge savanna get?
Is duck bad for you?
Why do some blackbirds have black beaks instead of yellow .?
What is the opposite gender of lioness?
How did the parrot come to attack sunil?
What is a small seabird?
Are red tailed hawks a protected spieces of bird?
Copyright ©2026 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.