Each food chain is a descriptive diagram including ... the ecological interactions that define energy flows and predator-prey relationship (Cain et al. 2008). Figure 1 shows a simplified food ...

Scientists speak of the phenomenon of a trophic cascade when the change in prevalence of a top predator leads to changes across all levels of the food chain below them. With the loss of the sharks ...

Predators are found at the top of a food chain. A fox is a predator, and a rabbit is its prey An owl is a predator, and a mouse is its prey An animal is often both a predator and prey The ...

Food chain – The flow of energy from one living thing to another, from a producer to a consumer. Food web – When two food chains have the same producer and top predator, they can be joined ...

A new study shows how the disappearance of an apex predator, the great white shark, from South Africa’s False Bay triggered changes throughout the food chain. With the loss of the top predator ...