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 can you put in the water of a bird bath that will keep the water more fresh and safe for birds?
Which prophet had a kingdom that included birds and jinns?
What is the bird that is the state bird of three US states?
How many eggs do budgies have?
Is birdo a male or female?
Where do meadowlarks live?
What is the guppie's diet?
How do you breed redrump parakeet?
Is it a gaggle of geese or flock?
What is the sound of an ostrich?
How many cygnets does a trumpeter swan have at once?
Where do you hunt ptarmigan?
How do you keep ducks warm when barely hatched?
How do owls catch their prey?
What are their prey and pretetors?
What is a young goose cald?
What would cause a peacock to leave roost at night?
Why do robins wild birds fly into window?
Whats the difference between hufflepuff ravenclaw slytherin and gryphondor?
What is a baby parakeet called?
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.