Growth in plants

Most plants need light in order to grow.

• True
• False

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Three nutrients that help plants grow are

• phosphorus, nitrogen, and potassium

• nitrogen, oxygen, and potassium

• potassium, hydrogen, and neon

Process by which plants make their own food...

• A. Photosynthesis
• B. Dormancy
• C. Taproots
• D. None of the above

Which of these is an example of how a plant can adapt to lose less water?

• Have a waxy layer on the leaves
• Store water in the petals
• Have leaves spread out 

Which is NOT a way seeds disperse?

• Wind
• Humans
• Animals
• Plants

A plant growing in response to the sunlight. 

• Gravitropism 
• Phototropism
• Thigmotropism
• Hydrotropism

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Which of the following responses is a plant growing toward or leaning toward light?

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

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What is the definition of Biotic factors?

• Dead things
• plants
• Living things or organisms
• soil

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Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

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What are the biotic factors in this image?

• sunlight, elephants, and grasses
• sunlight, water,  and air
• elephants, plants, trees 

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