Bio Prac #1

Front 1

What are the two phylums?

Back 1

Phylum Porifera and Phylum Cnidaria

Hint 1

Pores and snitches

Front 2

What are choanocytes and where r they in the sponge?

Back 2

Contain single flagellum and line inner wall of cell

Front 3

Where does the food enter the sponge?

Back 3

Pores

Front 4

What is the process called by which the sponge eats?

Back 4

Phagocytosis

Front 5

What cell does the digesting once the food is in the sponge?

Back 5

Amebocytes

Front 6

Where does the water flow out of the sponge? Aka sponge butthole + mouth

Back 6

Osculum

Front 7

What generates spicules?

Back 7

Sclerocytes

Hint 7

(from amoebocytes)

Front 8

What is the flipping point of spicules?

Back 8

Provide structural support for cell and defend against predators.

Front 9

What are the 3 classes under Phylum Porifera?

Back 9

1. Class calcarea

2. Class hexactinellida

3. Class demosponga

Hint 9

Calc. Big word. Biggest sponge

Front 10

Tell me about sponges whose spicules r from class calcarea

calcarea

calcarea

Back 10

Made of calcium carbonate and appear as 3 pointed stars

Front 11

Tell me about spicules in class hexactinellida

Back 11

Silica (silicon dioxide) *GLASS SPONGES*

Front 12

Tell about spicules of class demosponga

Back 12

Made of spongin. They r woven together.

Front 13

What does hermaphroditic mean?

Back 13

Can produce male and female gametes

Front 14

What is Grantia?

Back 14

Genus of sponge within class of calcarea.

Front 15

4 things about Phylum cnidaria

Back 15

1. Diplobastic

2. Incomplete digestive tract

3. True tissues

4. Radial symmetry

Front 16

Cnidarian development.

Back 16

Is no mesoderm. Archenteron never connects to body wall to make a second opening.

Front 17

What does diplobastic mean?

Back 17

Blastopore is mouth and anus

Front 18

Diplobastic=?

Back 18

Gastrovascular cavity

Front 19

2 basic body forms of cnidarians?

Back 19

1. Swimming MEDUSA

2. sessile polyps

Front 20

Distinguishing feature of cnidarians

Back 20

1. Tentacles

2. Cnidocytes (stinging cells)

Front 21

Cnidarians. Outer layer is ____. It is formed from the _____. The inner layer is called ______ and secretes juices into the inner space called the _______ ______. This is formed from the ________

Back 21

Epidermis. Ectoderm. Gastrodermis. Gastrovascular cavity. Ectoderm.

Front 22

Mesoglea?

Back 22

Separates the two tissue layers

Front 23

What are the four classes under Phylum Cnidaria?

Back 23

1. Class Hydrozoa

2. Class anthozoa

3. Class cubozoa

4. Class schyphozoa

Front 24

Class Hydrozoa has animals that have both ____ and _____ stages within their lifecycle

Back 24

Polyp and medusa

Front 25

Class Anthozoa contains....

And lacks...

Back 25

Sea anemones and corals.

Lacks medusa stage. Are only polyps.

Front 26

Single celled algae that corals have s symbiotic relationship with

Back 26

Zooxanthellae

Front 27

Which class has the "true jellyfish"?

Back 27

Class schyphozoa

Front 28

Concentrations of nerve cells on the umbrella=__________

Back 28

Rhopalia

Front 29

With rhopalia, the cells that detect gravity and aid in balance are called __________

Back 29

Statocysts

Front 30

Cells that detect light are called

Back 30

Ocelli

Front 31

Which class is the "box jellyfish"

Back 31

Class cubozoa