1. When a plant lacks water, its roots absorb more moisture while the stomata close. What does this show?, Only the roots work during drought, The roots and leaves coordinate to conserve water, Leaves stop functioning completely, Stomata and roots do not affect each other, If the stem is damaged and cannot transport water, which organ system will be most affected?, Roots, because they cannot absorb minerals, Leaves, because photosynthesis will decrease, Flowers, because they will grow larger, Soil, because its nutrients will increase, When photosynthesis increases, what happens to the root system?, Roots stop growing, Roots receive more glucose for growth and storage, Roots become less active, Roots lose nutrients, In very hot weather, the stomata close to prevent water loss. Which other organ helps maintain balance?, Stem, because it stores more water and reduces water delivery, Root, because it slows absorption, . Flower, because it traps heat, Fruit, because it increases transpiration, When a plant needs more nutrients, which relationship best shows organ cooperation?, Leaves absorb nutrients directly from sunlight, Roots absorb nutrients and the stem transports them to leaves, Flowers provide minerals for roots, Fruits help the roots absorb soil, What happens to the whole plant if the leaves are removed?, Homeostasis remains normal, The plant can still produce food through the stem, The root system weakens due to lack of glucose from photosynthesis, The flower takes over photosynthesis, When roots become waterlogged (too much water), how does this disturb homeostasis?, The stem absorbs more oxygen, Roots cannot get oxygen, affecting transport and leaf function, Flowers open wider, The plant grows faster, After heavy rainfall, the plant increases transpiration. What is the purpose?, To waste water, To maintain water balance by releasing excess moisture, To stop photosynthesis, To weaken the stem, Which situation best shows how the stem and leaves maintain balance during photosynthesis?, Stem releases oxygen to the soil, Stem carries water to leaves, and leaves use it to make food, Leaves pull nutrients from the soil, Leaves send minerals to the roots, When a plant is placed in a dark room, what organ system fails to support homeostasis first?, Roots, because they lose oxygen, Leaves, because they cannot produce glucose, Stem, because it turns yellow, Flowers, because they grow faster.

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