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KS3 food webs
KS3 food webs and adaptations
| Question | Answer |
|---|---|
| Where do producers get their food and energy from? | The producers use sunlight for photosynthesis |
| What sort of organism is a producer? | A plant |
| what is a herbivore? | an animal that feeds on plants |
| what is a omnivore? | an animal that eats a variety of foods. Plants and animals |
| what is a carnivore? | an animal that feeds on other animals |
| What are preys? | Preys are organisms that get hunted by other organisms which are predators. |
| what are predators? | Predators are organisms that hunt other organisms which are called prey |
| What is biomass? | Biomass is the amount or weight of a living organism in the pyramid |
| Name the order of the producer and the consumers in a food chain? | Producer, Primary consumer , Secondary consumer , Tertiary consumer |
| where are the producers in the food chain? | Producers are at the start/ at the bottom of a food chain. |
| Draw a food web for lettuce, rabbit, fox | lettuce --> rabbit --> fox {NOTE: make sure that the arrow goes FROM producer TO primary consumer] |
| Which way is the right way for an arrow in a food chain, away or towards the consumer? | Towards |
| What group are always herbivores and which one is always carnivores? | Primary consumers are herbivores and top predators are carnivores. |
| Is a primary consumer a carnivore, omnivore or a herbivore? | Herbivore |
| Why is the primary consumer always a herbivore? | The primary consumer eats the producer ie a plant so it has to be a herbivore. |
| What are the 3 types of consumers in the food chain? | Primary, secondary and tertiary |
| What are the 4 layers on a food web? | Producer, primary consumer, secondary consumer and tertiary consumer. |
| What would happen to the number of primary consumers if there was less producers (for example in the winter)? | The other animals would because decrease in number as the primary consumer would have less to eat [NOTE: 1) EXPLAIN WHY numbers go down; 2) you can not say there would be “no primary consumers”, you must say “there would be LESS”] |
| how is energy lost along a food chain? | it is lost through each tropic level because from primary secondary and tertiary all have to hunt for their food, wasting the energy they go |
| what is a trophic level? | it is producer, primary consumer, secondary consumer and tertiary consumer |
| why is a pyramid of biomass a better representation than the pyramid of numbers? | a pyramid of biomass is a more accurate indication of how much energy is passed on at each trophic level. A pyramid of number is a pyramid that shows the population of an organism in a food chain. |
| In a pyramid of numbers, if the bottom/producer level is smaller than the level for the primary consumer, what does that tell you? | that the producer is a massive organism, probably a big tree |
| In a pyramid of numbers, if the top level is much larger than the previous level, what does that tell you? | that the top level is for a very large number for a tiny creature, probably a parasite that feeds on the blood of the predator. |
| What is Adaptation? | the process of change by which an organism or species becomes better suited to its environment |
| State one adaptation of an eagle | SHARP eyesight to see the prey from far away; SHARP claws to capture and tear apart the prey; LARGE wings to hover for a long time [NOTE: 1) need to have an ADJECTIVE; 2) EXPLAIN how the adpatattion helps] |
Created by:
ursulinebio
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