Stimuli and Levels of Organization in Plants, 7th TEKS

Front

What is the structural level of a plant leaf?

Back

Organ

Front

What is any change in the environment responded to by an organism called?

Back

Stimuli

Front

What do xylem tubes carry from the roots to the leaves of a plant?

Back

Water and minerals

Front

What causes plant roots to grow downward?

Back

Gravity exerts a downward force on the roots.

Front

How does a seedling emerge from the ground?

Back

The pressure in the plant cells is stronger than the force of gravity.

Front

What is the function of stomates in a plant leaf?

Back

They let in gases.

Front

What type of tissue carries food in plants?

Back

Phloem tissue

Front

What is the protective outer layer of a plant leaf called?

Back

Epidermis tissue

Front

What is the main function of chloroplasts in plant cells?

Back

They make food through photosynthesis.

Front

What level of organization do xylem tubes belong to?

Back

Tissue