Vocabulary Challenge
Q: What do we call organisms like plants that make their own food using sunlight?
A: Producers
Q: What does every food chain begin with?
A: The sun
Q: What’s a food web?
A: A network of connected food chains in an ecosystem
Q: What shape is used to show energy flow in ecosystems?
A: A pyramid
Q: What is mutualism?
A: A relationship where both species benefit
Q: Name one type of forest ecosystem.
A: Tropical rainforest or temperate forest
Q: What role do decomposers play in all ecosystems?
A: Cutting down forests
Q: What animal might eat both plants and meat?
A: Omnivore (e.g., bear or human)
Q: What term describes animals that eat plants or other animals for energy?
A: Consumers
Q: What do we call the animal that eats the primary consumer?
A: Secondary consumer
Q: What can happen if a species disappears from a food web?
A: The entire ecosystem can be affected
Q: Which group has the most energy in an energy pyramid?
A: Producers
Q: What’s an example of parasitism?
A: Mosquito and human, tick and deer, etc.
Q: What kind of plants are producers in the desert?
A: Cacti or hardy desert plants
Q: Name one type of pollution.
A: Air, water, or soil
Q: What do fungi and bacteria have in common?
A: They are decomposers
Q: What tiny organisms break down dead plants and animals?
A: Decomposers
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Q: Name one example of a top predator in a food chain.
A: Hawk or shark (accept either)
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Q: True or False: A food web shows only one path of energy.
A: False
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Q: What are herbivores in the energy pyramid called?
A: Primary consumers
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Q: In commensalism, how many species benefit?
A: One
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Q: What ecosystem has standing water and is home to frogs and reeds?
A: Wetlands
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Q: What does overfishing do to ocean food chains?
A: Disrupts them or reduces fish populations
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Q: What happens if a predator disappears from the food web?
A: Prey populations might grow too large
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Q: What is the natural home of a plant or animal called?
A: Habitat
Q: What happens to energy at each step of the food chain?
A: Some energy is lost as heat
Q: In a forest food web, what might happen if all the trees are cut down?
A: Animals like caterpillars and birds lose food and habitat
Q: Why does energy decrease at each level of the pyramid?
A: Some energy is used or lost as heat
Q: What type of interaction happens when two species fight for the same resource?
A: Competition
Q: What is the producer in the ocean food chain?
A: Plankton
Q: What are two things humans can do to help ecosystems?
A: Plant trees, reduce pollution, recycle, etc.
Q: Which type of energy is most important to all ecosystems?
A: Sunlight
Q: What is the movement of energy through a food chain known as?
A: Energy Flow
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Q: Complete this chain: Plankton → Small Fish → Big Fish → ?
A: Shark
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Q: Name two producers in a food web.
A: Grass, trees, or plankton (any two)
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Q: List the four main levels of an energy pyramid in order.
A: Producers → Primary Consumers → Secondary Consumers → Tertiary Consumers
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Q: What’s it called when one species hunts another?
A: Predation
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Q: What role do decomposers play in all ecosystems?
A: Break down dead matter and return nutrients
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Q: True or False: Human actions can affect even top predators.
A: True
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Q: What’s one way climate change harms ecosystems?
A: Melting ice, changing rainfall, rising temperatures
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