Symbiosis – Cooperations in Nature
In the living world all creatures are connected, in one way or another, in a complex network of different types of relationships. These relations could be parasitic, predator-prey relations or a symbiosis between two creatures.
Play Video
Choose the correct answer. Symbiosis can occur between:
All of the above
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Bacteria and plants
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Insects and plants
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Bacteria and animals
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Fungi and plants
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Birds and plants
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Choose the correct answer. The interactions between grizzly bears, squirrels and pine trees are of which type:
Commensalism
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Competition
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Parasitism
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Predator-Prey
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Symbiosis of the Mutualism type
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Choose the correct answer. The reciprocal relationship between grizzly bears and squirrels is of which type:
Symbiosis of the Mutualism type
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Commensalism
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Parasitism
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Competition
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Predator-Prey
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Choose the correct answer. The adaptation of the woodpecker for spreading the seeds of the pine tree is expressed by :
Storage pocket in its throat
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A long and hard beak
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All of the above
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The ability to plant seeds in the ground
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The video has shown an example of a co-evolution of a bird and a tree- the joint evolution development of the adaptations of the woodpecker and the pine tree for spreading the pine tree’s seeds.Consider:How could it be explained that an evolutionary change in one species affects the evolution of another?
Researchers at the Weizmann Institute of Science have identified 6,500 genes that are expressed differently between men and women. The detailed mapping of the difference in the expression of these genes shows that men and women undergo separate evolutionary adaptations, that are nevertheless mutually dependent.
Symbiosis: A surprising story of inter-species cooperation – an interactive video
Play VideoActivity Overview
In this video the pupils will observe examples of a reciprocal symbiotic Mutualism relationship and predator-prey relationships that exist between pine trees and different types of animals. This video details the adaption of a pine tree and woodpecker for the spreading of the pine tree seeds. The video emphasizes the dependency of the tree in the woodpecker for the continuation of the species. The video contains four multi-answer questions and one open “food for thought” question. All the questions are based on the video and prior knowledge: interactions between species
symbiosis, Protein, species, seeds, pinecone, Evolution, interactions, predator-prey, competition
Knowledge building
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