Science MP3 9 Weeks Review 2-24-23

A plant growing towards the light is an example of

• Geotropism

• Phototropism

• Thigmotropism

• Hydrotropism

When plant roots grow down towards the force of gravity we call this

• Hydrotropism

• Negative Thigmotropism

• Positive Geotropism

• Phototropism

When a plant grows and wraps itself around an object we call this

• Negative Geotropism

• Phototropism

• Hydrotropism

• Positive Thigmotropism

Plant roots growing towards a water source is an example of

• Hydrotropism

• Thigmotropism

• Geotropism

• Phototropism

What benefit does a plant get from growing toward sunlight?

• extra nutrients from soil

• more water from the window

• additional sunlight for photosynthesis

• more support from anchoring itself to a structure

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Why do plants cells have larger vacuoles than animal cells?

• To store additional genetic information

• To better absorb sunlight for photosynthesis

• To store more nutrients and water

• To get rid of waste in the cell quicker

The cell wall provides ___ for plants. Animals cells lack a cell wall because they have a skeletal system.

• Water reserves

• Power generating capabilities

• Storage capabilities

• Structure and support

Plants rely on ___ to maintain their structure and support since they lack a skeletal system.

• Gravity

• Turgor Pressure

• Phototropism

• Chloroplasts

When a plant lacks water, the vacuoles in its cells will shrink and the plant will _.

• Grow

• Stay the same

• Wilt

• Reproduce

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The vacuole in plant cells is important for structure and support because it _.

• Pushes against the cell wall with water pressure.

• Is the powerhouse of the cell which provides energy.

• Captures sunlight to convert to energy via photosynthesis.

• Gets rid of waste in plant cells.

Tags

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