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Science Chapter 4 Review Answer Key

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Vocabulary
#1 What covers and protects the flower bud before the flower opens? sepals
#2 What is the underground stem that stores food called? bulb
#3 What is a behavior that is inherited? instinct
#4 What is something that causes a reaction in a living thing? stimulus
#5 What is it called when you receive characteristics from an organism's parents? inherit
Flowers
#1 What do the petals of a flower protect? The part of the flower that makes seeds.
#2 The pistil part of the flower produces what? egg cells
#3 The life cycle of both flowering and non-flowering plants must include what? pollination
#4 Why do flowers produce nectar? When animals feed on the nectar, pollen rubs off onto their body and they carry it to other flowers in order to pollinate them.
#5 What part of a flower surrounds the pistil and produces pollen? stamen
Adaptations & Behaviors
#1 Name 3 examples of animal behaviors? migration, protection, and hibernation
#2 What adaptation helps a plant in the desert survive? waxy leaves
#3 What adaptations does a bird have to eat nectar from plants? wings and/or beak
#4 Why might a Burdock seed have spikes on the seed cover? It's an adaptation to help it survive/pollinate
#5 Why might a flower look like another insect? It's an adaptation to attract other insects.
Plants
#1 What are the two ways scientists classify plants? How they transport nutrients and reproduce
#2 Plants make sugar (food) through what process? photosynthesis
#3 In the process of photosynthesis, what does it absorb and give off as a waste product? Carbon dioxide and oxygen
#4 What is the substance in plants that makes their parts green and captures energy from sunlight? chlorophyll
#5 What two things do plants need to live, grow, and reproduce? sunlight and water
Learned vs. Instinct vs. Inherited vs. Stimulus
#1 A student speaks Chinese learned
#2 An animal stays away from a skunk learned
#3 Sea stars suck in cold water during high tide instinct
#4 The box turtle is hiding in its shell stimulus
#5 Your blond hair inherited
Final Question