How do we use nitrogen gas?
We dig it up from the soil
We convert it into nitrates
Take nitrates and make it into nitrogen gas so we can use it
We can't it's just in the atmosphere
When organisms die, their molecules of carbon get returned to the atmosphere by herbivores
Cells need nitrogen for....?
Bones
Proteins
Cell membrane
Photosynthesis
In the carbon cycle how do organisms obtain energy?
Absorb the nutrients from the ground
Break down sugar molecules
Ecological Niche is the way organisms occupy their positions in an ecosystem
Definition of Symbiosis
When one organism consumes another organism for food
Two or more organisms compete for the same resource
Interaction between two different species that live together in close association
The maximum number of offspring a species can produce, if resources were unlimited. This is the definition of carrying capacity.
Which is NOT a way people use fossil fuels
Using your cell phone
Petroleum
Charging your phone
Using heat
Glucose is produced dyring respiration in the carbon cycle?
Why is energy lost from a food chain as tropic levels increase?
Because when animals die/are killed most of their energy is absorbed into the ground
The energy goes to heat energy
Because energy can't transfer to another organism
The solid portion of the earth surface is called
Atmosphere
Lithosphere
Biosphere
