Invertebrates

EXOSKELETON means __________

An animal with many lines of symmetry that pass through a central point.

• RADIAL SYMMETRY

• BILATERAL SYMMETRY

• ASYMMETRY

An animal with one line of symmetry that splits the object in half.

• RADIAL SYMMETRY

• BILATERAL SYMMETRY

• ASYMMETRY

An animal with no body symmetry

• RADIAL SYMMETRY

• BILATERAL SYMMETRY

• ASYMMETRY

_________ are very simple animals that have many pores (holes) through which water is filtered.

Poriferans are _________; thus, they have specialized cells for obtaining food and dissolved oxygen from the water.

Sponges are classified as ____________

A phylum wich mean “stingers”: use stingers to capture their prey and to defend themselves.

Cnidarians have tentacles with stinging cells called _________ and contain a structure called nematocyst.

Which type of cnidaria that body form is cylindrical, with mouth and tentacles at the upper open end

• Polyp type

• Medusa type