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14 Cards in this Set
- Front
- Back
What is a food chain?😁 |
A food chain is a diagram that shows what an organism eats. It shows the transfer of energy between the organisms |
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🌳tree ➡giraffe🐴➡lion what is each called |
In this example : 🌳tree ➡giraffe🐴➡lion 🐯 . The tree is the producer. The giraffe is a herbivore. The lion is a carnivore.
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What is a prey organism |
This is an animal which is eaten by another animal |
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Predator does what? |
Eats other animals |
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What is a food web? |
Most animals eat more than one type of organism . scientists show this using food webs. A food web is a set of linked food chains . food webs show the feeding relationships of organisms more realisticly than food chains |
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what is a herbivore |
The second organism in a food chain is the herbivore this is an animal that only eats plants! |
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What is a carnivore |
The third organism in a food chain is a carnival this is an animals eat other animals |
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What do arrows represent in a food chain? |
Arrows show the transfer of energy stored in food from one organism to the next |
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where is the top predator in a food chain |
The last link |
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Interdependence means ... |
Independence is the way in which living organisms depend on each other to survive grow and reproduce |
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write down the meaning of the word population |
The number of animals or plants of the same type that live in the same area is called a population. In a food web the population of organisms are constantly changing. The population size of one type of organism has a direct effect on the size of another type of population. If the number of rabbits died due to disease the number of foxes would also be decreased as I would have liked to eat |
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State what happens to the population of consumers is the population of the producer decreases |
Grass is a producer if there was no grass the snails caterpillars are rabbits would die. the animals in the food web would also die as a food sources have gone . if the population of the producer falls then the population of the consumer also falls |
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what are insecticides |
These are chemicals that some farmers use to kill insects that eat their crops |
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What is bioaccumulation |
Insecticides kill small animals which will get washed in to Rivers and end up in the sea! polar bears eat seals .one polar bear eats a lot of seals so there will be lots of insecticide in the polar bears blood this can cause illness and death |