Share Science L4 Food Chains and Webs and Environmental Impact
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What is a food chain? Where there is one pathway OR where there are many pathways
One pathway
What is a food web? Where there is one pathway OR many pathways
Many pathways
Name a producer in a food chain:
Carrot, grass, fruit, tree
Which is the producer? Grass---rabbit-----owl
Grass
If the predator population increases what will happen to the prey?
The prey population will decrease
Give an example of prey-predator relationship.
Fox and rabbit, shark and fish, lion and buck, cat and mouse, etc
How do we as humans affect the environment?
Pollution, carbon footprint, using too much coal to burn for electricity, etc
How does a producer make its own food?
Uses sunlight
What is a symbiotic relationship?
Close relationship between 2 living things with one benefiting at least
Can a parasite cause death to the other living being?
Yes
Give an example of a mutualism relationship.
Bee and flower
Commensalism is where both benefit OR only one benefits?
One benefits
Give an example of a symbiotic relationship in the sea.
Clownfish and anemone, crab and anemone, goby fish and shrimp, shark and sucker fish, etc
Give an example of a food chain from producer to consumers that includes a rabbit
Grass, rabbit, snake, owl.
What is passed along a food chain to benefit the next animal? Energy or blood nutrients
Energy
What is an apex predator?
Top of the food chain
