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Plants Answer Key

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Parts of a Plant
#1 What part of a plant keeps the plant in place while absorbing nutrients and water? Roots
#2 What is the function of leaves? To make food
#3 What is the function of the stem? Support the plant and transport water and minerals
#4 What are the small openings on the bottom of a leaf called? Stomata
#5 Name the structure that is in the stem and is responsible for transporting water from the roots to the leaves. Xylem
Photosynthesis
#1 What do plants eat? Glucose
#2 What are the two products of photosynthesis? Glucose and oxygen
#3 What part of the plant acts as the 'oven' for photosynthesis? Chloroplasts
#4 What are the four ingredients needed for photosynthesis? Water, Carbon dioxide, sunlight, chlorophyll
#5 Where is chlorophyll located? Chloroplasts
Flowers
#1 What part of the flower attracts bees and animals? Petals
#2 Name 3 ways flowers can be pollinated. Wind, water, animals
#3 What is the male part of a flower called? Stamen
#4 What is the female part of a flower called? Pistil
#5 What part of a flower protects the flower before it blooms? Sepals
Tropisms
#1 What is a tropism? A plant's response to a stimulus
#2 What is phototropism? A plant grows toward or away from light
#3 What is gravitropism? A plant's growth in response to gravity
#4 What is hydrotropism? A plant's growth in response to water
#5 What is thigmotropism? A plant's growth in response to touch
Vocabulary
#1 What is chlorophyll? The green pigment in plants
#2 What do root hairs do? Soak up water and minerals
#3 Which part of a flower holds pollen? Anther
#4 Which part of a flower holds up the anther? Filament
#5 What is the purpose of flowers on plants? Reproduction
Final Question
Name the steps in photosynthesis. The roots soak up water and minerals. Stomata take in carbon dioxide. Xylem carries water and nutrients to leaves. Sunlight cooks water and carbon dioxide to make glucose and oxygen.