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Energy Flow- Food Chain- 7th Grade Science

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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

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