Unit 2 Review: Growth and Development of Organisms

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What are adaptations?

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Adaptations are traits or behaviors that help organisms survive in their environment. They can be structural, behavioral, or physiological.

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What is a structural adaptation?

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A structural adaptation is a physical feature of an organism that enhances its survival, such as thorns on a plant.

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What is a behavioral adaptation?

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A behavioral adaptation is a way an organism acts to survive, such as nest building in birds.

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What is homeostasis?

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Homeostasis is the ability of an organism to maintain a stable internal environment despite changes in external conditions.

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What is a biotic factor?

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A biotic factor is a living component of an ecosystem, such as plants, animals, and microorganisms.

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What is an abiotic factor?

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An abiotic factor is a non-living component of an ecosystem, such as water, sunlight, and temperature.

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What temperature is optimal for plant growth?

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24 Degrees Celsius is generally considered the best temperature for growing most plants.

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How do adaptations help organisms?

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Adaptations help organisms avoid predators, find and eat food, maintain homeostasis, and reproduce.

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What is heredity?

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Heredity is the passing of traits from parents to offspring through genes.

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What role do genes play in an organism's traits?

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Genes are segments of DNA that determine specific traits in an organism, influencing characteristics like color, size, and behavior.