Tree Biology

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What is the process called where trees make their food using sunlight?

Photosynthesis.

What part of the tree absorbs water and nutrients from the soil?

Roots.

What is the outer protective layer of a tree trunk called?

Bark.

What part of the tree transports water from the roots to the leaves?

The xylem.

What is chlorophyll, and why is it important for trees?

Chlorophyll is the green pigment in leaves that helps with photosynthesis.

How do trees contribute to the oxygen cycle?

Trees produce oxygen as a by-product of photosynthesis.

What part of the tree produces seeds or fruit?

Flower or fruit-bearing structures.

Why do trees shed their leaves in autumn?

To conserve water and survive winter conditions.

What is the growth ring in a tree, and what does it indicate?

A growth ring is a layer of wood produced annually, indicating the tree's age and growth conditions.

How do trees benefit the soil they grow in?

Trees stabilize the soil with their roots and provide nutrients through fallen leaves.

What is the main function of a tree's trunk?

To support the tree and transport nutrients and water.

What do we call a large group of trees growing together?

A forest.

How do trees help in controlling the climate?

Trees absorb carbon dioxide, a greenhouse gas, and help regulate temperature.

What is the difference between deciduous and evergreen trees?

Deciduous trees lose their leaves in autumn, while evergreen trees keep their leaves year-round.

What is a common method for propagating trees?

By planting seeds.