Porifera and Cnidaria Notes

Open Ended

Watch the video as in introduction to the Sponges.

Tell me 5 things you learned about sponges from the video.

Multiple Choice

What do organisms from the phylum Porifera eat?

• small marine fish
• plankton,bacteria, and detritus
• choanocytes
• krabby patties

Multiple Choice

Sponges feed by filtering _____________ out of the water column as it passes through the spongocoel.

• small fish

• oxygen

• macro algae

• plankton

Multiple Choice

cells have sticky, funnel-shaped collar to collect food particles and a flagellum that creates a water current

• amoebocyte
• ostiocyte
• pinacocyte
• choanocyte

Multiple Choice

What type of symmetry do sponges (Porifera) have?

• asymmetrical
• radial
• bilateral 
• both radial and asymmetrical

Multiple Choice

Which of the following type of cell digests and distributes food for the sponge?

• Choanocytes

• Amoebocytes

• Endodermal cells

• Epidermal cells

Multiple Choice

Choanocytes are also known as _____.

• epithelial cells
• amoeboid cells
• collar cells
• pore cells

Multiple Choice

Which part of the sponge body is a large opening at the top of the central cavity through which water leaves the sponge?

• Ostia
• Mesenchyme

• Spongecoel
• Osculum

Multiple Choice

What is the central internal cavity in a sponge body?

• holdfast

• spongocoel

• osculum

• spongin

Multiple Choice

A flexible, fibrous material that can make up the skeleton of a sponge?

• spicule
• spongin
• grass sponge
• spongocoel

Multiple Select

Sponges have many pores or ______ to circulate water. 

• osculum (large opening of the spongecoel)

• holes
• ostia (small outer openings)

• spongin

Multiple Choice

The hard "skeleton" structures in a sponge are called...

• Spongin
• Spicules
• Amebocytes
• Pinococytes

Multiple Choice

What type of sponge does the following diagram belong?

• Leuconoid sponge
• Syconoid sponge
• Asconoid sponge
• Sponge Bob type

Multiple Choice

What type of sponge would have the most complex makeup with multiple branched tunnels?

• Asconoid

• Syconoid

• Lueconoid

• Radionoid

Multiple Choice

_________________ are specialized buds made to survive harsh weather.

• Spicules

• Plankton

• Flagella

• Gemmules

Multiple Select

What are the two modes of asexual reproduction observed in a sponge?

• binary fission

• budding

• regeneration

• sexual reproduction

Porifera and Cnidaria Notes pt.2

Tissue Organization

Open Ended

Watch the video on Cnidaria, and answer the following 5 questions.

1. What 2 structures of the digestive system did Cnidarians develop that we take for granted today?

2. What 2 things were inherited from Cnidarians that allow all animals to move?

3. How do Cnidarians capture their prey?

4. What were the first animals to swim in the ocean?

5. What is the longest animal in the world?

Multiple Choice

All animals belong to Domain __________.

• Animalia

• Eukarya.

• Probiotica.

• Plantae.

Multiple Choice

All animals in phylum Cnidaria demonstrate _____________.

• radial symmetry

• asymmetry

• bilateral symmetry

• pretty symmetry

Multiple Choice

All jellyfish belong to phylum ____________.

• Cnidaria

• Hydrozoa

• Anthozoa

• Scyphozoa

Multiple Choice

Cnidarians are named after __________, the stinging cells found in their tentacles.

• cnidocytes

• cnidocils

• nematocysts

• cniliocysts

Multiple Choice

In Cnidarians, where does digestion occur?

• spongocoel

• nematocyst

• gastrovascular cavity

• tentacles

Multiple Choice

A jellyfish is covered in an outer layer of cells called the epidermis. Within the epidermis is the ____________, which is the jelly-like interior of the animal.

• mesoglea

• rhopalium

• brachial tentacle

• manubrium

Multiple Choice

When the _________ is triggered, the operculum opens on the cnidocyte.

• cnidocil

• barb

• nematocyst

• cnidocyte

Multiple Choice

How many cell layers (body walls) do jelly fish have?

• 1

• 2

• 3

• 4

Multiple Choice

Name this body type.

• Medusa

• Polyp

Multiple Choice

Name this body type.

• Medusa

• Polyp

Multiple Choice

Term for an animal that is attached and not free-swimming.

• planted

• sessile

• motile

• amorphous

Multiple Choice

What type of asexual reproduction is shown here?

• Gemmules

• Fragmentation

• Budding

• Sexual reproduction

Multiple Choice

What term describes a life cycle that alternates between two forms, such as the medusa and polyp?

• generational life cycle

• alternation of life cycle

• alternation of generations

• changing life forms

Multiple Choice

How are nervous responses in cnidarians controlled?

• by their gastrovascular cavity

• through the mesoglea

• by the nerve net

• through the filaments in their nematocysts

Multiple Choice

How do cnidarians reproduce?

• only sexually

• only asexually

• both sexually and asexually

• genetically reproduced in labs

Multiple Choice

The larval (or baby) form of a Cnidarian is called the _______.

• planula

• plantae

• kingdom

• baby jelly

Multiple Choice

Sessile, tube shaped body form of cnidarians such as corals and hydra.

• Polyp

• Medusa

Multiple Choice

Corals and anemones are part of Class __________

• Anthozoa

• Hydrozoa

• Scyphozoa

• Cubozoa

Multiple Choice

"Box jellyfish" belong to Class _____________.

• Cubozoa

• Hydrozoa

• Anthozoa

• Scyphozoa

Multiple Choice

"True jellyfish" belong to Class _________.

• Scyphozoa

• Anthozoa

• Hydrozoa

• Cubozoa

Multiple Choice

What surrounds the mouth of Cnidarians?

• guard cells
• pinococytes
• tentacles
• spines

Multiple Choice

Members of the Cnidarian Class _______ include sea anemones and coral.

• Anthozoa
• Cubozoa
• Hydrozoa
• Scyphozoa

Multiple Choice

What type of cnidarian is pictured?

• hydra

• coral

• jellyfish

• sea anemone

Multiple Choice

What type of cnidarian is pictured?

• Jellyfish

• hydra

• sea anemone

• coral