PARA HOY (20/03/2020): leer las páginas 104 y 105 y hacer las actividades 3, 5 y 7 de la página 105.
These are the simplest invertebrates animals. They have no organs.
ACTIVITIES:
3. What invertebrate groups have bodies covered by rigid structure?
5. Which cnidaria stage does the jellyfish represent?
7. Compare sponges and jellyfish. Draw a table with three columns: body, habitat, nutrition
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