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Os dejamos la presentación sobre los invertebrados, que podéis completar con los apuntes y con el tema 5 de blinklearning

Os recordamos que el examen de esta unidad (en el que entran también reptiles, aves y mamíferos), será el día 24 de abril (miércoles) para 1º ESO A y el día 25 de abril (jueves) para 1º ESO B y viernes (26 de abril) 1º ESO C.

invertebrates review
Aquí van los contenidos:


Definition of vertebrate.
5 classes of vertebrate: fish, amphibians, reptiles, birds, mammals
Main characteristics of each file and examples
Animal chart (for all classes): respiration (lungs, gills, skin), fertilization (internal/external), embryo development (oviparous, viviparous, ovoviviparous), type of skin (feathers, fur, hair, naked skin, scales)


  1. Definition of invertebrates.
  2. Types of invertebrates and characteristics of each type: Tell me the characteristics of mollusk (of sponges, of cnidarians……. ) in general and say the name of the three classes of mollusks writing some examples. You can make drawings.
  3. Pictures. Identify the animal, the phylum and the class. (examples in
  4. Chart with  examples to complete: name, phylum, class, name in Spanish
  5. Guess the animal: I say some characteristics and you have to tell what type of invertebrate is. For example: Its a type of mollusk that doesn´t have a shell and lives in the ocean. It has tentacles around the head and has the ability of camouflating very well.
  6. Short questions:
    1. How do sponges feed?
    2. Why do some arthropods do molting?
    3. Explain a health problem caused by an invertebrated animal. Say the name of the animal and the type of problem…. Tapeworm, anisakis, red tides of mussels, jellyfish bite….
    4. Formation of pearls (in what type of animals and how are they formed)
    5. How would you differentiate an insect from an arachnid?