The two germ layers found in cnidarian embryonic development are....

The jellylike substance that separates the two germ layers is called ______

Unlike poriferans, cnidarians develop two germ layers during their embryological development. The term for this is _______

What type of body symmetry is seen in cnidarians?

The _______ is the body plan that is bell-shaped and free-living

The _______ body plan consists of a tubular body with a base at one end and tentacles at the other end

In the ____ body plan, the mouth & tentacles points downward. In the ____ body plan, the mouth & tentacles points upward.

In cnidarians, the outermost layer of cells is called the ____

In cnidarians, the innermost layer of cells is called the ____

In the center of the cnidarian body is a large hollow area, like a blind gut, called the ____ whose main function is digestion

The _________ is the primitive nervous system seen in cnidarians that acts like a spider web, sending signals across the structure with any stimulus

What is the name of this body plan?

Label structure "A"

Label structure "B"

Label structure "C"

Label structure "D"

Label structure "E"

Label structure "F"

What is the name of this body plan?

Label structure "G"

Label structure "H"

Label structure "I"

Label structure "J"

Label structure "K"

Label structure "L"

Which of the following animals has Body Plan A?

Which of the following animals has Body Plan B?

____ are stinging cells found within the tentacles of cnidarians

Within stinging cells there are coiled, barb-like organelles that shoot out and paralyze prey called ____

To what class does this box jelly belong?

To what class does this sea anemone belong?

To what class does this hydra belong?

To what class does this true jellyfish belong?

This class name means "flower animal"

The animals in this class are box-shaped, have complex eyes and can inflict stings that may cause death

This class name means "cup animal"

Some animals in this class exist as a colony of both medusa and polyp forms (ex. siphonophore and portuguese man-of-war)

The animals in this class form mutualistic relationships with other organisms like zooxanthellae, clownfish and crabs

The animals in this class have a life cycle that includes both medusa and polyp forms

Label structure "A" ; produced by fertilization of sperm and egg

Label structure "B" ; free-swimming, juvenile form

At "___" a planula larva attaches to a substrate, forming a polyp

At "___" the juvenile polyp develops into a full-sized adult polyp

At "___" the polyp undergoes strobilation, developing into a stack of medusae

At "___" budding releases individual medusae from the stack so that they can grow into adult jellyfish

At which letters do you see the polyp body plan?

At which letters do you see the medusa body plan?

Which of the following is true about coral reefs?

Which of the following are reasons why cnidarians are important to science?