PRESENTATION OUTLINE
These leaves are biotic because they have been alive once.
This rock is abiotic because it is non-living and will never be alive.
These trees are autotrophs because they create their own food.
This human is a heterotroph because he doesn't create his own food.
These chicks are predators because they hunt the prey.
This caterpillar is a prey because it is hunted by a predator.
This lichen has a mutualistic relationship because the two organisms in it help each other.
This is a commensalism relationship because the "organism" is getting a free ride.
This "mosquito" has a parasitic relationship with the human arm.
This berry is the producer of a food chain.
These ants are the primary consumers in the food chain.
This lizard is the secondary consumer in the food chain.
These chicks are the tertiary consumers in the food chain.
This human is releasing carbon dioxide into the atmosphere.
This truck is releasing carbon dioxide into the atmosphere.
These fish are releasing carbon dioxide into the atmosphere.
This dead flower is releasing carbon dioxide into the atmosphere.
The leaves on this tree are taking carbon dioxide out of the atmosphere.
This human is releasing nitrogen back into the atmosphere.
This dead plant is one of the steps to releasing nitrogen back into the soil.
This "bacteria" is making the "nitrogen" usable.
The bacteria in this soil makes nitrogen usable.
These leaves show transpiration even though it isn't seen. (↑)
This "rainfall" is showing precipitation. (↓)
The steam from the boiling water shows evaporation. (↑)
The water droplets on the side of this cup shows condensation. (↓)