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- 1. Multiple Choice
Which statement describes the flow of matter and energy in decomposers?
A decoposer digests living organisms to produce energy, water, and carbon dioxide
A decomposer uses carbon dioxide, water, and energy from the sun to produce oxygen and sugars
A decomposer consumes dead and dying organisms to produce oxygen and sugars
A decomposer breaks down decaying matter to produce energy and release nutrients back into the environment
- 2. Multiple Choice
What happens in a chloroplast?
Sunlight + Water + Oxygen =Carbon Dioxide + Energy
Sugar + Sunlight +Oxygen =Caron Dioxide + Water
Light Energy + Water + Carbon Dioxide = Oxygen + Sugar
Chemical Energy +Sugar +Water = Energy + Carbon Dioxide + Oxygen
- 3. Multiple Choice
During photosynthesis, energy from sunlight is stored as chemical energy. How will the plant be able to release the energy in order to use it?
By forming bonds of sugar
By breaking bonds of water to form new molecules
By breaking bonds of sugar to form new molecules
By breaking bonds of oxygen to form new molecules
- 4. Multiple Choice
A food chain shows the sun->________ ->Bird->Fox. Which organism would complete the diagram?
Tree
Worm
Eagle
Mushroom
- 5. Multiple Choice
Decomposers cycle matter and energy between which of these?
Water and Soil
Producers and Consumers
Dead Organisms and Scavengers
Living and nonliving parts of the environment
- 6. Multiple Choice
In an energy pyramid, how much energy is transferred from one level to the next in an ecosystem. Predict the amount of energy at the secondary consumer. The producer has 1,000 J of energy.
10 J
100 J
1 J
10,000 J
- 7. Multiple Choice
What is a rabbit classified as?
Producer
Predator
Herbivore
Secondary Consumer
- 8. Multiple Choice
What supports evidence of that cellular respiration has occurred?
Glucose is increased and Carbon Dioxide is used
Sugar is consumed, Oxygen is consumed, and Carbon Dioxide is produced
Oxygen is produced, Water is consumed, and Photosynthesis occurred
Water and Carbon Dioxide are used
- 9. Multiple Choice
Grass is considered an example of a _____?
Consumer
Parasite
Decomposer
Producer
- 10. Multiple Choice
If you are studying egrets, herons, crabs, and grass, but not water or the rocks in a marsh, what level of ecological organization would you be studying?
Organism
Population
Community
Ecosystem
- 11. Multiple Choice
Vultures and hyenas, which feed on the remains of dead organisms, are considered....
First level consumers
Scavengers
producers
herbivores
- 12. Multiple Choice
A close relationship between two species that benefits at least one of the species is called?
Natural Selection
Symbiosis
Adaptation
Competition
- 13. Multiple Choice
Which of the following is an example of a population?
The cats and dogs in your neighborhood
The park in your town
The rocks in your rock collection
The gray wolves in a forest
- 14. Multiple Choice
Which of the following is an example of a predators adaptation?
A porcupine's needles
A shark's powerful jaws
A frog's bright colors
A plant's poisonous chemicals
- 15. Multiple Choice
What symbiotic relationship is a ++?
Parasitism
Mutualism
Commensalism
Predation
- 16. Multiple Choice
What are the levels of organization in the environment in order from smaller to largest?
Organism, population, biosphere, ecosystem, community
Organism, population, biotic elements, abiotic elements, community
Organism, population, community, ecosystem, biosphere
Organism, population, biosphere, abiotic elements, ecology
- 17. Multiple Choice
What is an example of an abiotic element that may change an area?
Introducing a new type of grass to the prairie
Water flooding a prairie
Two bird species competing for a next habitat
Uncontrollable mold growth on trees
- 18. Multiple Choice
Animals that eat a variety of meats, fruits, and vegetables are?
Producers
Omnivores
Carnivores
Herbivores
- 19. Multiple Choice
Think about an energy pyramid, coyotes prey on prairie dogs. In order for the prairie dog population to survive, how many prairie dogs are needed compared to coyotes?
Fewer prairie dogs than coyotes
Many more prairie dogs than coyotes
About the same number of prairie dogs as coyotes
Tereis no relationship between the number of prairie dogs and coyotes
- 20. Multiple Choice
When a parasitic tapeworm gets inside a dog's intestine to obtain food, who is the host?
The worm
The producer
The decomposer
The dog
- 21. Multiple Choice
What abiotic factor provides the ultimate source of energy?
Rocks
Food
Sun
Wind
- 22. Multiple Choice
Which statement correctly describes what happens to molecules in fruit after the orangutan eats it?
The molecules in the fruit do not change when eaten
The molecules from the fruit are changed into proteins
The molecules are rearranged to form a new substance using the same amount of matter
There are fewer molecules from the fruit after it is eaten because it has undergone a chemical reaction
- 23. Multiple Choice
What form of energy is stored in food?
Light energy
Kinetic energy
Chemical energy
Mechanical energy
- 24. Multiple Choice
How do organisms get the energy they need?
Plants get energy from fertilizers, and animals get energy by drinking water
Plants get energy from glucose produced in the soil and animals get energy directly from sunlight
Plants do not require energy because they do not move and animals get energy by performing exercise
Plants break down the glucose produced in photosynthesis and animals get energy from eating other organisms
- 25. Multiple Choice
In a food chain for energy pyramid the amount of available energy decreases as you move, how is this explained by the law of conservation of energy?
Living things change energy into matter
The energy is changed to a different form
Only small amounts of energy can be destroyed at a time
Energy is used up when living things conduct life processes
- 26. Multiple Choice
In a food web how do consumers get energy to function?
Consumers obtain all of the energy by eating other organisms
Consumers obtain some energy from other organisms and some from sunlight
Consumers obtain most of their energy by absorbing it from their environments
Consumers convert light energy from the sun not chemical energy stored in food
- 27. Multiple Choice
What starting materials do plants use to make food?
Soil and Water
Water and Oxygen
Carbon Dioxide and Water
Water, Phosphorus, and Nitrogen
- 28. Multiple Choice
What source of energy do plants use to make food?
Heat
Gravity
Light energy
Kinetic energy
- 29. Multiple Choice
What are the products of photosynthesis
Glucose and Oxygen
Carbon Dioxide and Water
Chlorophyll, Protein, and DNA
Plant Stems, Leaves, and Root System
- 30. Multiple Choice
What do animals do with the carbon dioxide produced in their cells during cellular respiration?
Store it for later use
Reuse it during photosynthesis
Exhale it in the breathing process
Combine it with water to make sugar
- 31. Multiple Choice
What happens to glucose inside a cell during cellular respiration?
The cell uses ATP to break down glucose
The cell used water to break down glucose
The cell uses oxygen to break down glucose
The collides nitrogen to break down glucose
- 32. Multiple Choice
What product of photosynthesis are the starting materials for cellular respiration?
Energy and ATP
Glucose and Oxygen
Carbon Dioxide and Water
Light Energy and Chloroplasts
- 33. Multiple Choice
What is the difference between a decomposer and a consumer in a food web?
Decomposers are types of plants and consumers are types of animals
Decomposers remain in one place, but consumers move around with in the ecosystem
Decomposers get energy only from plant materials, and consumers eat both plants and animals
Decomposers can obtain energy by digesting chemical compounds that consumers can't digest
- 34. Multiple Choice
What is the primary role of decomposers in a food web?
To control the population of producers and consumers
To compete with producers for energy and other resources
To provide a source of energy for the producers in the ecosystem
To recycle energy and materials from dead producers and consumers
- 35. Multiple Choice
Which of these organisms would be a tertiary consumer?
Frog
Redwood Tree
Great White Shark
Athlete's Foot Fungus
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