Gralha Azul and Araucária Trees

The video introduces the Araucaria tree, a symbol of Paraná, through a narrative of a boy planting a seed and observing its growth. It highlights the tree's biological features, the role of the Gralha Azul bird in seed dispersal, and encourages viewers to plant Araucarias. The video concludes with a celebratory song about the tree's significance and beauty.

What is the symbolic tree of Paraná?

• Oak

• Araucária angustifolia

• Eucalyptus

• Pine

How did the student care for the Araucária seed?

• Watered it daily

• Watered it weekly and monitored soil moisture

• Planted it in a forest immediately

• Kept it in direct sunlight

At what age does an Araucária tree start producing pinhões?

• 20-25 years

• 12-15 years

• 8-10 years

• 5-7 years

What part of the Araucária seed serves as a nutrient for the embryo?

• Shell

• Root

• Leaf

• Endosperm

What is the maximum height an Araucária tree can reach?

• 30 meters

• 40 meters

• 50 meters

• 60 meters

What is the role of the Gralha Azul bird in the ecosystem?

• Pollinating flowers

• Controlling insect population

• Dispersing Araucária seeds

• Building nests in trees

How does the Gralha Azul bird help in planting Araucária seeds?

• By nesting in Araucária trees

• By burying seeds for later consumption and forgetting them

• By carrying seeds in its beak and dropping them

• By eating the seeds and excreting them

What is the main message of the video regarding Araucária trees?

• To avoid planting Araucária trees

• To cut down old trees

• To use Araucária wood for furniture

• To plant and conserve Araucária trees

What is the significance of the Araucária tree in the local culture?

• It is a symbol of strength and beauty

• It is used for medicinal purposes

• It is used for construction

• It is a common garden plant

What action does the video encourage viewers to take?

• To visit the botanical garden

• To plant an Araucária tree annually

• To feed the Gralha Azul bird

• To study biology