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sponges in biology ninth grade
Terms in this set (25)
Which of the following distinguishes sponges from other invertebrates?
Their cells are not organized into tissues.
Unlike plants, sponges are
produce both eggs and sperm
The body symmetry of a cnidarian is
radial in both the medusa and polyp stages
How many layers or body coverings do Platyhelminthes have?
An animal is each of the following except
contain harpoon-like structures called cnidocytes and can spear a sea anemone's prey
Sponges are in Phylum
Sponges are considered to have ____ symmetry.
Describe the process of budding
Growth off the side of an adult and then it breaks off and grows into a new adult.
What does it mean to have radial symmetry?
Circular shape, can split in half multiple ways and be the same on either side.
Describe how Platyhelminthes move
Use their cilia to move them across surfaces.
What type of symmetry do Sponges have?
Are Sponges vertebrates or invertebrates?
Do Sponges have external or internal fertilization?
Can Sponges reproduce sexually or asexually?
How do sponges move?
they don't move
How many body coverings do Sponges have?
two- mesophyl and epothelial
what are sponges called since they can't move?
Cnidarians are vertebrates or invertebrates?
Cnidarians have external or internal fertilization?
Cnidarians have what type of reproduction?
both asexual and sexual
What type of symmetry do Cnidarians have?
How many body coverings do Cnidarians have?
two- ectoderm and endoderm
How do Cnidarians move?
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