Show:
Carbon Cycle
Water Cycle
Nitrogen Cycle
Mammals
Reptiles
100
The element symbol is C
What is Carbon?
100
H2O
What is water?
100
This the process in which nitrogen circulates among the air, soil, water, plants, and animals in an ecosystem.
What is Nitrogen cycle?
100
The class of Mammals is this.
What is Mammalia?
100
Reptiles are a member of this class.
What is reptilia?
200
Name an allotrope of carbon
What is Graphite, Diamond?
200
Freshwater is a limited resource because of this.
What is most water is polluted?
200
They need nitrogen to build proteins.
What is All organisms?
200
The mammalian brain regulates body temperature and this.
What is Circulatory system?
200
Reptiles blood is this.
What is Cold blooded?
300
The biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
What is Carbon Cycle?
300
Parasitic worms would be classified as this type of water pollutant.
What is pathogen?
300
Nitrogen makes up this percentage of the gases in the atmosphere.
What is 78%?
300
Humans are this.
What is Mammals?
300
Reptiles babies start out in this.
What is eggs?
400
The carbon cycle was initially discovered by these men.
What is Joseph Priestley and Antoine Lavoisier?
400
One way fresh water is used in an industry.
What is to generate power, in manufacturing processes, in the disposal of waste products?
400
These bacteria are known as this.
What is Nitrogen fixing bacteria?
400
Mammals have this as a coat.
What is fur, hair
400
The kingdom of reptiles is this.
What is Animalia?
500
Carbon-based molecules are this for life on earth.
What is Crucial?
500
3 percent of freshwater is found as a resource.
What is glaciers and ice caps?
500
Nitrogen fixing bacteria are bacteria that convert atmospheric nitrogen into this.
What is ammonia?
500
All mammals have this in their chest.
What is a heart?
500
All reptiles breath using these.
What is lungs?