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Questions and Answers
Which factor controls the general species characteristics of the individual and limits on size and rate of growth?
Which environmental factor includes radiation, temperature, water, daylength, wind, and gases?
Which of the following is influenced by hereditary or genetic factors as mentioned in the text?
What type of soil factor includes texture, structure, organic matter, CEC, pH, base saturation and nutrient availability?
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Which factor is involved in regulating protein synthesis, cell division, cell enlargement, incorporation of substances into cell walls, and the production and activity of hormones?
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What is the purpose of the hard exoskeleton in insects?
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Why does the small size of insects contribute to their success?
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What contributes to the high rate of reproduction in insects?
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How does the exoskeleton protect insects from poisonous substances?
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What advantage does the water-proofed exoskeleton provide to insects?
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Study Notes
Genetic Control
- Hereditary or genetic factors control general species characteristics of an individual and limit size and rate of growth.
Environmental Factors
- Abiotic environmental factors include radiation, temperature, water, daylength, wind, and gases.
Soil Factors
- Edaphic factors include soil texture, structure, organic matter, cation exchange capacity (CEC), pH, base saturation, and nutrient availability.
Hormonal Regulation
- Hormones regulate protein synthesis, cell division, cell enlargement, incorporation of substances into cell walls, and hormone production and activity.
Insect Characteristics
- The hard exoskeleton in insects provides protection, support, and maintenance of body shape.
Insect Success
- The small size of insects contributes to their success due to advantages in reproduction, survival, and adaptation to environments.
Insect Reproduction
- The high rate of reproduction in insects is contributed by their ability to produce many offspring and adapt to changing environments.
Exoskeleton Protection
- The exoskeleton protects insects from poisonous substances by preventing them from penetrating the body.
Water-proof Exoskeleton
- The water-proofed exoskeleton provides an advantage to insects by preventing water loss and maintaining internal humidity.
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Description
Test your knowledge on the factors influencing plant growth and development, including hereditary factors, external environmental factors, and physiological factors. Learn about the genetic control, environmental influences, and biochemical processes that contribute to the growth and development of plants.
