The continuous movement of water between Earth’s surface and the air, changing from liquid to gas to liquid.
Water cycle
100
When the last member of a species dies, the species becomes _____________.
extinct
100
One of Earth’s major land ecosystem with its own characteristic animals, plants, soils, and climate.
Biome
100
The boundary where fresh water meets salt water.
estuary
100
A mixture of dead organic material that can be used as fertilizer
compost
200
The changing from a liquid to a gas is known as _________________ and the changing of a gas into a liquid is known as ____________________
evaporation and condensation
200
The first organisms to appear in primary succession are called
Pioneer Species
200
A sandy or rocky biome, with little precipitation and little plant life.
desert
200
Why does algae not grow in the Abyssal zone?
It needs sunlight to grow
200
A hot humid biome near the equator, with heavy rainfall and a wide variety of life.
Tropical Rainforest
300
Any form of water that falls from the atmosphere and reaches the ground, such as rain, sleet, snow, or hail.
precipitation
300
________________takes place in a community where few, if any, living things exist, or where earlier communities were wiped out. ________________is the beginning of a new community where a community had already existed.
Primary succession/secondary succession
300
A biome where grasses, not trees, are the main plant life. Wide open areas.
grassland
300
What are the 3 types of freshwater?
standing, running, wetland
300
The final stage of succession is the _____________ where everything has regrown.
Climax Community
400
The continuous trapping of nitrogen gas into compounds in the soil and its return to the air is called the:
Nitrogen Cycle
400
Name 3 natural disasters and 3 Organism effects that cause an ecosystem to change
A cool forest biome of conifers found in northern regions.
taiga
400
The ____________zone is part of the sunlight zone where there are tidal pools. The _________zone is also part of the sunlight zone and has coral reefs.
Intertidal and Neritic
400
A forest biome with four distinct seasons and trees that change color and fall off every autumn.
Deciduous Forest
500
The continuous exchange of carbon among living things is the
carbon cycle
500
The process of one ecosystem changing into a new and different ecosystem is called:
Succession
500
The furthest north biome. Large, treeless where the ground is frozen all year.
Tundra
500
The ________zone can be divided into the twilight and the dark zones. The __________ zone is at the very bottom and receives no sunlight.
Bathyal and Abyssal
500
Which of the 8 biomes gets the most precipitation?