1
What are FOUR spheres of the Earth?
Geosphere, Hydrosphere, Atmosphere, and Biosphere
All organisms need_________to function.
Energy
What percentage of energy is passed to the next level?
10%
_________are species that have a major impact on the health of their ecosystem.
Keystone species
What is salinity?
how much salt is dissolved in the water.
Does freshwater or saltwater have the highest salinity?
Saltwater
_________breakdown dead organism.
Decomposers
__________is when soil bacteria convert nitrates back into nitrogen gas, returning it to the atmosphere.
Denitrification
What is an invasive species?
an organism that is not native to a particular ecosystem and can cause a lot of damage.
What is an estuary?
Where freshwater and salt water mix.
What is the definition of the population?
Species that live in the same area.
What is another name for saltwater?
Marine water
What happens when fossil fuels burn?
A. Glucose is converted into energy
B. Carbon becomes rock
C. CO2 is released into the atmosphere
C
What is niche?
specific role an organism plays in its environment.
Name three terrestrial biomes.
Tropical Rainforest, Temperate Rainforest, Deciduous Forest, Savanna, Chaparral, Grassland, Desert, Tundra, and Taiga
Does habitats include abiotic and biotic factors?
Yes
What is the First Law of Thermodynamics?
Energy can not be created or destroyed.
List THREE steps from the Water Cycle.
Evaporation, Transpiration, Condensation, Precipitation, Infiltration, and Percolation
Name three symbiotic relationsips.
Mutualism, Commensalism, and Parasitism
__________zone is the floor of the body of water.
Benthic
List in order from the smallest to the largest the levels of organization.
Organism, Population, Community, Ecosystem, Biome, Biosphere
As energy transfers from one organism to another, most of it is lost as ________.
Heat
What is the difference between primary and secondary succession? Explain, the type of disturbances that each one would have and the species that we would see first in each one.
Primary no soil
Secondary soil
Primary lava eruption (volcano)
Secondary hurricane and forest fire
Give an example of parasitism.
Answers may vary.
______zone is the uppermost layer, sunlight is present. Photosynthesis can occur here.
*Aquatic biomes different layers
Photic zone