Energy Flow- Food Chain- 7th Grade Science
Terms
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- T/F- A food chain shows only one path of energy.
- TRUE-
- _____ are considered part of food chains because they break down dead plant & animal materials.
- DECOMPOSERS
- In a food ______ the removal of ONE organism can be disastrous.
- Food CHAIN
- An animal that only eats plants is called a
- HERBIVORE
- A small amount (about ____) of the food that an animal consumes is STORED in the animal.
- 10%
- ________ are always producers and found at the bottom of the food chain.
- PLANTS / TREES
- T/F- All Food Chains are pretty short.
- TRUE
- An animal that eats ONLY meat is called a
- CARNIVORE
- The prefix "A" means...
- "not" Example: Abiotic means NOT living.
- Typically the Primary Consumer is a ________. A)Omnivore B)Carnivore C)Herbivore
- C) Herbivore
- T/F- Most of the food an animal eats is used by its body to stay alive and fuel all the body processes.
- TRUE!
- A _______ ______ is a series of food chains.
- Food Web
- An animal that eats both plants AND animals is called an..
- OMNIVORE
- When an animal is eaten, the carnivore gets _____ of the stored up energy from the animal it ate.
- 10%
- ______ is necessary for all life on Earth. a) food chain b) photosynthesis c) ecosystem
- b) Photosynthesis
- T/F- An omnivore can make it's own food.
- FALSE- only PRODUCERS can make their own food.
- ________ is the food-making process of green plants.
- PHOTOSYNTHESIS
- An interacting group of organisms is an _________. a) Ecosystem b) Decomposer
- a) Ecosystem
- All energy transfers in a food web, food chain or energy pyramid begin with.... a) Consumers b) Plants c) Decomposers
- b) Plants
- ______ eat dead animals that once used energy from producers.
- Scavengers
- ______ means mutually dependent or depending on each other.
- Interdependence
- T/F- A Polar Bear woudl be consider an example of a carnivore.
- FALSE- The Polar Bear is an omnivore!
- _______ makes its own food. a)Producer b)Decomposer c)Prey
- a) Producer
- All living things depend on the _____ for energy.
- SUN
- T/F- Animals higher up on the food chain must eat less food.
- FALSE!
- Food chains 'end' with ____ _________.
- top predators
- T/F- If one organism is removed from a food web, all the animals after that will die.
- FALSE! The animals will adjust and find other prey.
- T/F- Animals higher up on the food chain must eat more food to get the energy they need to survive.
- TRUE
- Give me 2 examples of a HERBIVORE.
- Answers will vary. (cows, horses, rabbits, sheep, etc)
- The main role of the ___________ is to recycle nutrients in dead organisms and their waste.
- Decomposers
- An _________ is a living thing.
- organism
- T/F- A consumer eats other organisms.
- TRUE- Organisms could be a plant or an animal.
- _________ show how plants and animals are interconnected by different paths. a) Diet b) Food Web c) Food Chain
- b) Food WEB
- All living things require ________ and depend on each other for _________.
- energy, survival
- If your date takes you to a resturaunt that ONLY serves a type of food you hate, this could be an example of a _____ _______.
- food chain
- Name an example of a decomposer.
- Bacteria Fungi Earthworm Mushrooms
- According to our "10% Rule" lab demo, which organism in the food chain was MOST satisfied with the amount of "energy" he/she received?
- Producer- they got the most energy because it's directly from the Sun.
- Which consumer in the food chain is going to have to eat the MOST food to meet their energy needs? a) Primary Consumer b) Top Predator c) Producer
- b) Top Predator
- At each level in the food chain about _____ of energy is lost.
- 90%
- If the SUN contains 50,000 units of energy, how much would the Primary Consumer receive?
- 500 units because the PRODUCER would get 50,000x10%= 5000 units and the Primary Consumer eats the producer...getting 5,000x10%= 500 units.
- T/F- Not all life on Earth is dependent upon plants or producers.
- FALSE!
- The word "bio" means... a) life b) Earth c) energy d) gravity
- a) life
- Biotic refers to _________ components of a system.
- LIVING
- List two important benefits we receive from producers.
- 1. Oxygen 2. Food for consumers
- Algae are photosynthetic organisms that occur in most habitats. They are an example of _______. a) Herbivores b) Producers c) Decomposer
- b) Producers
- Put the following organisms into a logical food chain. coyote, grass, insect, mouse,
- grass -> insect -> mouse -> coyote
- The human population as a whole would be considered to be ________ type of consumer. a) Ominvore b) Carnivore c) Vegetarian
- Omnivores- eat both plants and animals.
- Visiting a mall food court could be an example of a ______ ______.
- Food web- lots of choices to get energy from.
- Name the PRODUCTS of Photosynthesis
- Glucose & Oxygen
- _____ is what you expect, ______ is what you get.
- CLIMATE is what you expect, WEATHER is what you get.
- Biome with very fertile soil because of the fallen leaves that enrich the soil after being decomposed.
- Temperate Deciduous Forest
- Kangaroo Rats are found in this biome....
- desert
- _____ is a soil layer below the thawed surface in a tundra biome
- Permafrost
- Average weather patterns over a long period of time.
- Climate
- In this biome you could find, douglas fir, spruce trees, black bears and cougars.
- Taiga
- Sunlight, temperature, wind, precipitation, etc are all ________ components of a biome.
- abiotic
- "A" means ______.
- NOT
- Coniferous trees are also known as ______.
- evergreens
- T/F- The soil found in a Taiga biome is extremely fertile.
- FALSE- since not many leaves fall to the ground,
- Regions that are wet for all or most of the year....
- Wetlands
- Cold, dry, treeless region sometimes called a cold desert.
- Tundra
- THe portion of the shoreline that is covered with water at high tide and exposed to the air during low tide.
- Intertidal zone
- Large geographic areas that have similar climates and ecosystems.
- Biomes
- Almost one-fourth of the Earth's land area is __________.
- grassland
- Praires and savannas are example of land that are both found in the _________ biome.
- grassland
- Taiga means ________ in Russian.
- forest
- In this biome you would experience 4 seasons.
- Temperate Deciduous Forest
- Living in this biome you would experience 4 seasons.
- Temperate Deciduous Forest
- This biome is low in animal diversity because of it's harsh winters.
- Taiga
- Taiga is the Russian word for ______.
- forest
- Large geographic areas with similar climates and ecosystems. (Ex: Desert, Tundra, etc)
- Biome
- permanently frozen layer of soil
- Permafrost
- non-living components of an ecosystem (wind, rain, climate)
- abiotic
- living or once living components of an ecosystem (animals, dead trees,etc)
- biotic
- shoreline that is underwater at high tide and exposed to the air during low tide.
- Intertidal Zone
- Very fertile area where a river meets an ocean (freshwater and saltwater meet)
- estuary