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Biology /Growth and Development in Plants

Growth and Development in Plants

Biology10 CardsCreated about 2 months ago

This deck covers the key concepts of plant growth and development, including types of growth, stages of cell development, germination, and factors affecting seed dormancy and viability.

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What is growth in multicellular organisms?

Growth is a permanent increase in size, mass, number of cells, and complexity of a living organism.

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Key Terms

Term

Definition

What is growth in multicellular organisms?

Growth is a permanent increase in size, mass, number of cells, and complexity of a living organism.

What are the two types of plant growth?

Plants undergo primary growth, which increases the length of shoots and roots, and secondary growth, which increases their width or girth.

What is the role of apical meristems in plants?

Apical meristems are regions of active cell division at the tips of shoots and roots responsible for primary growth.

What is cell differentiation in plants?

Cell differentiation is the process by which cells become specialized for specific functions by developing specific shapes and chemical changes.

What is germination?

Germination is the process by which seedlings develop from seed embryos.

What conditions are necessary for seed germination?

Seeds require oxygen, water (moisture), and a suitable temperature for germination.

What is epigeal germination?

Epigeal germination is when cotyledons are pushed above the ground by elongation of the hypocotyl.

What is seed dormancy?

Seed dormancy is a state where a seed carries out minimal metabolism and does not germinate, often as a survival mechanism.

How can seed dormancy be broken?

Dormancy can be broken by scarification, soaking in water, fire, exposure to specific environmental conditions, or chemical substances.

What is seed viability?

Seed viability is the ability of a seed to germinate into a seedling, which can be affected by storage conditions, temperature, and damage.

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Growth and Development in Plants

Term	Definition
What is growth in multicellular organisms?	Growth is a permanent increase in size, mass, number of cells, and complexity of a living organism.
What are the two types of plant growth?	Plants undergo primary growth, which increases the length of shoots and roots, and secondary growth, which increases their width or girth.
What is the role of apical meristems in plants?	Apical meristems are regions of active cell division at the tips of shoots and roots responsible for primary growth.
What is cell differentiation in plants?	Cell differentiation is the process by which cells become specialized for specific functions by developing specific shapes and chemical changes.
What is germination?	Germination is the process by which seedlings develop from seed embryos.
What conditions are necessary for seed germination?	Seeds require oxygen, water (moisture), and a suitable temperature for germination.
What is epigeal germination?	Epigeal germination is when cotyledons are pushed above the ground by elongation of the hypocotyl.
What is seed dormancy?	Seed dormancy is a state where a seed carries out minimal metabolism and does not germinate, often as a survival mechanism.
How can seed dormancy be broken?	Dormancy can be broken by scarification, soaking in water, fire, exposure to specific environmental conditions, or chemical substances.
What is seed viability?	Seed viability is the ability of a seed to germinate into a seedling, which can be affected by storage conditions, temperature, and damage.