most of the time it wont, but the answer is a Kink in the food chain, slang is a clank in the food chain.
Primary consumers are second in the food chain.
In a food chain, the arrows are meant to show what animals energy goes where EX: fish--->bear the energy of the fish goes to the bear
The sun energizes the producer to produce food.
elephants eat grass but the predater are lions and humans so the grass goes first then comes the elephant. you can call it the secend one in the food chain.
The energy flux of a food chain goes from producer to decomposer. The energy flux along the food chain is always unilateral.
maybe polar bear
a food web is two or more food chains combined and a food chain is a way in which energy goes starting from a plant then a herbivore(a plant eater) then a carnivore(a meat eater) then it could stay or it goes on to the humans.
The food chain gets broken every time a creature goes extinct.
In a food chain, the arrows are meant to show what animals energy goes where EX: fish--->bear the energy of the fish goes to the bear
because they eat dead organisms , and then animals show up and eat them and it goes on and on and on and on (food chain)
because that the way it goes
Since each plant or animal in a food chain is dependent on the plant or animal below it for food if one of those in the chain goes away (becomes extinct) or just isn't available in enough quantity, the next one up the chain starves to death.