B2.3 Knowledge How can a tree grow?

What is the average height the Californian sequoias trees grow?

• Reaching heights of over 1000 meters

• Reaching heights of over 100 meters

• Reaching heights of over 10 meters

Where do the Californian sequoias trees grow?

• Sierra Leona mountains

• Sierra Madre mountains

• Sierra Nevada mountains

Are Californian sequoias trees the tallest in the world?

• Yes

• No

Do sequoias trees live for thousands of years?

• No

• Yes

Where do sequoias trees get the sugar they need to grow?

• From photosynthesis and nutrients brought in through the root system

• From nutrients brought in through the root system

• From photosynthesis

What are the different kinds of saps flowing in trees?

• Two, the phloem and the xylem

• Three, the phloem, the osmotic and the xylem

• One, the photosynthesis

What are their respective characteristics?

• The phloem sap is the osmotic movement of nutrients in a tree. The xylem has thinned into a watery substance, pooling at the base of the tree.

• The phloem sap doesn't have nutrients in a tree. The xylem has thinned into a watery substance, pooling at the base of the tree.

• The phloem sap has thinned into a watery substance, pooling at the base of the tree. The xylem is the osmotic movement of nutrients in a tree.

What are the three forces of the xylem sap?

• transpiration, capillary action, and root pressure

• transpiration, and root pressure

• capillary action, and root pressure

Trees’ cells are supplied in sugars and nutrients thanks to...

• Blood

• Sap

• Air

• Sunlight

What is particular about the Xylem?

• It’s composed of dead cells

• It’s related to animal neurons

• It’s has a high photosynthesis activity

• It’s surrounded by a porous layer to deliver chemicals all along the trunk