Phylum Porifera
Are sponges invertebrates or vertebrates?
Invertebrates
What does echino mean?
Spiny
Why are star fish difficult to kill?
Because they can regenerate parts of their body
What do their tube feet aid in?
Movement and in feeding
How many siblings do I have?
3
Are there a variety or sponges?
Yes; there are more than 8500 species of sponges
What are there arms called?
Rays
How many sides do sea stars have on their body?
2 sides; top and bottom
What are their bodies covered in?
Spines
What’s my favorite color?
Pink🎀
Are sponges cylinder or angular
Cylinder
Do they contain tissues and organs?
Yes
How many rays do sea stars and sand dollars have?
Five rays that are covered in spines
Do they have radical symmetry?
Yes; and some have bilateral symmetry
When is my birthday?
Oct. 10
Sponges can reproduce by budding, a section of the sponge(known as the bud)splits off and develop into a new or old organ?
New
Where can Echinoderms be found?
At a range of depths on the sea floor
What are sea urchins and sand dollars body made of
Calcium carbonate
What do they do to protect themselves against predators?
They can expel their organs, they can expose a hook like structure, and they can release a toxic chemical that smells badly to others species.
Where am I from?
Venezuela
What does sessile mean?
Sessile means that the organ is inmobile
Do most Echinoderms have radial symmetry?
Yes most of them do and most had 5 point radial symmetry.
What happens when sea urchins and sand dollars die?
Their spines fall off and a dried white skeleton remains
How is there waste than the food that they eat?
What’s my siblings names?
Abraham, Joshua, Amaia