Unit 3 Invertebrates I

Multiple Choice

The body plan for sponges is

• bilateral

• symetrical

• asymetrical

• radial

Multiple Choice

Sponges feed by

• autrotrophic nutrition

• filter feeding

• saprophytic nutrition

• pinocytosis

Multiple Choice

This magnified cell is known as a

• pinacocyte

• chaonocyte

• mesenchyme cell

Multiple Choice

Another name for hermophrodytic is

• monoacious

• hermaticrab

• unicellular

• omnipotent

Multiple Choice

Sponges can reproduce

• sexually, only

• asexually, only

• sexually and asexually

Match

Match the following

• have calcium carbonate spicules

• known as glass sponges

• the typical bath sponge

Calcerea

Hexactinellida

Demospongia

• Calcerea

• Hexactinellida

• Demospongia

Multiple Choice

The body symmetry of cnidarians is

• bilateral

• radial (including bi-radial)

• asymmetrical

Match

Match the following

• nematocysts only in epidermis

• exclusively marine

• true jellyfish

• box jellyfish

• coral

Hydrozoa

Stauroza

Scyphozoa

Cubozoa

Anthozoa

• Hydrozoa

• Stauroza

• Scyphozoa

• Cubozoa

• Anthozoa

Match

Match the following

• most are colonial

• found in higher latitudes

• some sting, most don't- all marine

• extremely dangerous venom

• symbiotic with zooxanthellae

Hydrozoa

Stauroza

Scyphozoa

Cubozoa

Anthozoa

• Hydrozoa

• Stauroza

• Scyphozoa

• Cubozoa

• Anthozoa

Multiple Select

Select all that are TRUE

• Coral reefs are rich with biodiversity

• Coral reefs provide food for many people

• Coral are symbiotic organisms with a type of algae

• Coral bleaching is a natural phenomenon that occurs in a normal life cycle

Multiple Choice

Comb jellies are not harmful to humans

• TRUE

• FALSE