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Organisms obtain energy in many different ways.
Transcript of Organisms obtain energy in many different ways.
Organisms are grouped into two major categories based on how they obtain energy.
Decomposers, such as bacteria and fungi, feed by chemically breaking down organic matter. The decay caused by decomposers is part of the process that produces detritus—small pieces of dead and decaying plant and animal remains
Consumers obtain their energy by eating food.
They are also called
There are four types of consumers:
Producers create their own food and energy through photosynthesis or chemosynthesis.
They are also called
Omnivores are animals whose diets naturally include a variety of different foods that usually include both plants and animals. Humans, bears, and pigs are omnivores.
Herbivores, such as a military macaw, obtain energy and nutrients by eating plant leaves, roots, seeds, or fruits. Common herbivores include cows, caterpillars, and deer.
Scavengers, like vultures, are animals that consume the carcasses of other animals that have been killed by predators or have died of other causes.
Carnivores capture and kill prey. They
eat only meat.
These two categories are Producers and Consumers
Chemotrophs- organisms capable of deriving energy from chemical reactions WITHOUT sunlight. This is called Chemosynthesis
Some bacteria and archeabacteria are chemotrophs
Plants, algae, and certain bacteria are autotrophs
Plants, algae, and certain bacteria can capture energy from sunlight or chemicals and convert it into forms that living cells can use. These organisms are called autotrophs.
Autotrophs are also called primary producers.
Earthworms are detritovores!
What type of consumer do you think your animal is?
Herbivores are also called Primary consumers!