Porifera
They eat by doing this to plankton in the water.
What is filter water.
This is the type of symmetry shown by all worms.
What is bilateral.
This is the type of symmetry shown by cnidarians.
What is radial.
This is the type of symmetry shown by echinoderms.
What is radial?
All of these species are considered this since they have no backbone.
What are invertebrates.
Which zones of the ocean will you find sponges living?
What is all of them.
The most abundant species on the planet.
What are worms.
Animal species that make up cnidarian phylum.
What are sea jellies, sea anemones, and coral polyps.
Animal species that make up echinoderms phylum.
What are sea stars, brittle stars, sea urchins, sand dollars, and sea cucumbers.
How do these species reproduce?
What is both asexually and sexually.
Can sponges be sustainably fished?
What is yes! As long as some cells are left behind a sponge can regenerate.
A species that break down dead plants and animals and returns nutrients back to the soil.
What is a decomposer.
Special adaptation all cnidarians have.
What are stinging cells catching food and protection.
Special adaptation all echinoderms have.
What are tube feet.
What all of these species are considered as babies.
What are zooplankton.
Sponges help maintain the levels of this specific element, which is vital for all living species.
What is Nitrogen?
How worms positively impact the ocean.
What are decomposers and help to move the sand around for plant roots.
Can a dieing coral reef recover?
What is yes, if the algae returns to the coral before a full bleaching has occurred.
Sea urchins can harm the ocean by overeating this specific ecosystem.
What are kelp forests.
Most of the species in these phylum's have this type of symmetry.
What is radial.
Scientists believe Porifera were among the first living organisms, appearing roughly this many million years ago.
What is 500 million years ago?
How worms negatively impact the ocean.
What are parasites that feed off/kill of other species.
This happens to coral polyps when they are stressed by warming waters.
What is the algae leave (zooxanthellae) and the coral looses energy and can lead to bleaching.
How a sea star eats its food.
What is take its stomach out its mouth and dissolve the species it wants to eat.
This species is one of the longest-living on the planet living to be 200 years old.
What are sea urchins. (echinoderms)