molecules to organisms

Organism

A living thing that has certain characteristics

Stimulus

a change that causes a reaction

Response

The reaction or change in behavior of an organism

Tropism

a change in a plant’s pattern of growth

Photosynthesis

Plants use the energy in sunlight to make food from water and carbon dioxide

Chlorophyll

Inside chloroplast which traps the energy of the sun

Stoma

tiny openings on the underside of the leaf

xylem

Specialized structures in leaves that absorb sunlight, transport water and dissolved minerals

Phloem

Specialized tissue that transports sugar and amino acids to all parts of the plant

Mitochondria

Organelles that supply energy to the cell

Cell

smallest unit of living matter

vacuole

A sac like structure that stores materials such as water, proteins, carbohydrates and wastes

Nucleus

Control center of the cell

Ribosomes

Makes proteins to support cell function

Cell wall

stiff box like structure that surrounds the cell membrane

roots

structures that take in water and dissolved nutrients from the soil

stems

plant structure that supports the plants

Transpiration

release of water into the air