Describe food chain in different ecosystem?

1. Forest ecosystem: In a forest ecosystem, the food chain typically starts with plants such as trees, shrubs, and grasses. Herbivores such as deer, rabbits, and insects feed on these plants. Carnivores such as wolves, bears, and birds of prey then feed on the herbivores. Decomposers such as fungi and bacteria break down the remains of dead plants and animals, returning nutrients to the soil.

2. Ocean ecosystem: In an ocean ecosystem, the food chain begins with phytoplankton, which are tiny plants that photosynthesize and form the base of the food chain. Zooplankton, small fish, and other marine organisms feed on the phytoplankton. Larger fish, marine mammals, and sharks then feed on these smaller organisms. Apex predators such as killer whales and large sharks are at the top of the ocean food chain.

3. Grassland ecosystem: In a grassland ecosystem, the food chain starts with grasses and other plants. Herbivores such as antelope, bison, and insects graze on these plants. Predators such as lions, cheetahs, and birds of prey then feed on the herbivores. Decomposers such as earthworms and bacteria break down the remains of dead plants and animals, enriching the soil.

4. Desert ecosystem: In a desert ecosystem, the food chain begins with plants such as cacti, shrubs, and grasses that are adapted to survive in arid conditions. Herbivores such as desert rodents, insects, and reptiles feed on these plants. Predators such as snakes, birds of prey, and carnivorous mammals then feed on the herbivores. Scavengers such as vultures and beetles help to break down the remains of dead animals in the harsh desert environment.