Invertebrate

Review for quiz

Mollusks


Has a soft body and has no bones.


Characteristics

  • Some have shells
  • No bones
Reproduce sexually


Adaptation

  • Most have a shell, Squids shoot out ink


Cnidarians

Cnidarians

They are carnivorous or meat eating invertebrates.



Characteristics


  • Tenticals that sting prey
  • Have a hollow pouch
  • Radial symmetry


Adaptation


  • They have Tenticals that sting prey and then the Tenticals bring the prey to its mouth.


Arthropods

Has a jointed exoskeleton.



Characteristics


  • Exoskeleton helps protect the body
Adaptation



  • Lobsters have legs that bring food to the mouth.



Lobsters

Lobsters are invertebrates with a hard protective exoskeleton.


Characteristics


  • Has 10 walking legs
  • Has a hard shell to protect them
  • Their claws are deadly
Adaptation



  • Lobsters have legs that bring food to the mouth


Scorpions

They are predatory arthropod animals of the order scorpiones within the class.

Characteristics

  • They have eight legs
  • Grasping claws
  • They grow 9 mm to 20 cm.
Adaptation

  • They have a tail that has a stinger that let's out poison.

Tranchulas

Is a invertebrate that has sharp fangs.

Characteristics

  • Has six legs
  • They are 12 cm long
  • They have two fangs
Adaptation

  • They use their fangs to kill predictors.

Echinoderm

    Echinoderms are a phylum of marine animals. The adults are recognizable by their radial symmetry, and include such well-known animals as starfish, sea urchins, sand dollars, and sea cucumbers.


    Characteristics

    • Starfish can regenerate missing parts.
    • Sand dollars are spiny skinned animals.
    • Sea urchins have spikes to protect it.
    Adaptation


    • Echinoderms are found at every ocean depth, from the intertidal zone to the abyssal zone.