7th Grade Unit 3 Plant Systems & Homeostasis

growth that happens in organisms in response to gravity, such as the downward growth of plant roots

• Tropism

• Phototropism

• Geotropism

  (Gravitropism)

• Thigmatropism

growth that happens in organisms in response to light, such as a stem bending toward a light source

• Tropism

• Phototropism

• Geotropism

  (Gravitropism)

• Thigmatropism

Tags

NGSS.MS-LS1-5

turning of all or part of an organism in a particular direction in response to an external stimulus

• Tropism

• Phototropism

• Geotropism

  (Gravitropism)

• Thigmatropism

growth that happens in organisms in response to touch, such as a vine wrapping around a fence.

• Tropism

• Phototropism

• Geotropism

  (Gravitropism)

• Thigmatropism

conducting tissue in plants that transports nutrients through the plant

• Phloem

• Root System

• Shoot System

• Transpiration

below-ground part of a plant that includes the organs such as roots, tubers, and rhizomes

• Phloem

• Root System

• Shoot System

• Transpiration

above-ground part of a plant that includes the organs such as leaves, buds, stems, flowers (if the plant has any), and fruits (if the plant has any)

• Phloem

• Root System

• Shoot System

• Transpiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

process of water moving through plants and evaporating from the leaves and stems into the atmosphere

• Phloem

• Root System

• Shoot System

• Transpiration

pressure exerted by water inside the cell on the cell wall

• Phloem

• Turgor Pressure

• Xylem

• Transpiration

vascular tissue in plants that transports fluid through the plant

• Phloem

• Turgor Pressure

• Xylem

• Transpiration