Biology (Spanish Series Unit 2 - Ecosystems

3 films in this series.

Title ▼	Year	Creator	Length	Format	Color	Sound
The Tropical Rain Forest ▶	1961	ENCYCLOPEDIA BRITANNICA EDUCATIONAL CORP	16 min	16mm	Color	sound
The Temperate Deciduous Forest	1961	ebec	16 min.	16mm	Color	sound
The Sea ▶	1962	Encyclopaedia Britannica	1200 ft.	16mm	Color	sound