Plant Reproduction and Growth

Front

Soil Salinity Noun

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[soil suh-lin-i-tee]

Back

Soil Salinity

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The measure of the concentration of salt present in the soil, which can negatively impact plant growth and health.

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Example: The image shows how increasing soil salinity affects plant health, with plants wilting as salt concentration rises.

Front

Staple Crop Noun

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[stey-puhl krop]

Back

Staple Crop

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A primary food crop that is eaten routinely and constitutes a dominant portion of a standard diet for people.

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Example: A rice field showing how rice is a staple crop, grown extensively as a primary food source.

Front

Drought Noun

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[drowt]

Back

Drought

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A prolonged period of abnormally low rainfall, resulting in a shortage of water that can damage crops and ecosystems.

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Example: The image shows a green landscape next to a dry, cracked land, illustrating the effects of drought on plant growth.

Front

Irrigate Verb

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[ir-i-geyt]

Back

Irrigate

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To supply land with water through artificial means, such as channels or pipes, to assist in crop production.

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Example: An irrigation system spraying water over crops to help them grow.

Front

Agriculture Noun

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[ag-ri-kuhl-cher]

Back

Agriculture

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The science, art, or practice of cultivating the soil, producing crops, and raising livestock for human use.

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Example: This image shows a crop field with icons for sunlight, machinery, and water, explaining agriculture's role in plant growth.

Front

Invasive Species Noun

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[in-vey-siv spee-sheez]

Back

Invasive Species

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A non-native organism that spreads widely and causes ecological or economic harm in its new environment.

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Example: Zebra mussels attach to native mussels, showing how invasive species spread and cause harm.

Front

Salinity Noun

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[suh-lin-i-tee]

Back

Salinity

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The measure of the total concentration of dissolved salts in water or soil, often expressed in parts per thousand.

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Example: A map showing ocean salinity levels helps students understand how salt concentration varies globally.

Front

Semiarid Adjective

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[sem-ee-ar-id]

Back

Semiarid

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Characterizing a climate or region with low annual rainfall, but not as dry as a true desert environment.

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Example: This image shows a semiarid region with sparse plants, illustrating low rainfall but not as dry as a desert.

Front

Vulnerable Adjective

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[vuhl-ner-uh-buhl]

Back

Vulnerable

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Being susceptible to physical or emotional attack or harm, often due to a lack of protection or defense.

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Example: Baby meerkats rely on adults for protection, showing vulnerability in the wild.

Front

Photosynthesis Noun

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[foh-toh-sin-thuh-sis]

Back

Photosynthesis

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The process by which green plants use sunlight, water, and carbon dioxide to create their own food energy.

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Example: The image shows how plants use sunlight, water, and carbon dioxide to produce oxygen and sugar through photosynthesis.