Food chain and food web
where organisms get food
sun is the main source of energy
only plants can trap it
animals eat plants or other animals to obtain energy
energy can be traced back to sun
producers and consumers
consumers eat other animals or eat plants, fungi, bacteria and animals are examples
herbivores eat plants, omnivores eat both plants and other animals and carnivores only eat animals
prey and predators
prey is being hunted and eaten
predator hunts and eats
herbivores are prey, omnivores and carnivores are predators and/or prey(depending on the position of food chain)
food chain
show the prey and predator relationships
consumers eat more than 1 type of food
food chains in a community forms a food web
how do predators prey relationship affect population
predators control number of prey by killing them
to balance the population of predator and prey
removing and adding and organisms upset a food chain or food web