Carnivores
Carnivores
Predators Scavengers
•Animals that feed on other animals.
•Carnivores generally eat herbivores (secondary consumers), but occasionally eat other carnivores also (tertiary consumers).
•Eg: lion, tiger, cats, birds of prey, sharks, frogs, etc.
Predators and scavengers
•A predator is an organism that hunts and kills other organisms for food.
•Eg: lions, tigers, sharks, wolves, snakes, etc.
Scavengers eat the food that has been killed and left behind by predators.
Eg: vultures, racoons, hyena,etc.
. Omnivores
•Animals that feed on both plants and animals.
•Many omnivores depend on a suitable mix of animal and plant food for long-term good health and reproduction.
•Eg, humans, bear, etc.
Food chain
•A food chain is the sequence of who eats whom in a biological community (an ecosystem) to obtain nutrition.
•A simple food chain can be seen below:
Food Web
• A food web is several food chains connected together.
Differend kinds of ecosystems
.
Biome - it is а large group of ecosystems that share the same environmental factors
Terrestrial Biomes
•- Tundra
•- Taiga
•- Desert
•- Grassland
•- Temperate Forest
•- Rainforest
Tundra
•No trees
•Most of the ground is frozen
•Shallow rooted grasses and plants
•Weasels, artic fox, penguins and polar bears live in the Tundra.