Chapter 1
Chapter 2
Chapter 3
Chapter 4
???
100
This continuous movement of water between Earth's surface and the air, changing from liquid into gas into liquid
What is the water cycle
100
When the last member of a species dies the species becomes this
What is an extinct species
100
One of Earth's major land ecosystems with its own characteristic animals, plants, soil, and climate
What is a biome
100
Organisms that drift freely in the water. They are unable to swim.
What is plankton
100
A biome where grasses not trees are the main plant life
What is grassland
200
Any form of water that falls from the atmosphere and reaches the ground, such as rain, sleet, snow, or hail
What is precipitation
200
Species with low numbers that could become endangered are called
What is threatened species
200
A sandy or rocky biome, with little precipitation and little plant life
What is a desert
200
Organisms that are larger than plankton and are active swimmers in a body of water. Example: whale, turtle
What is nekton
200
A biome with a lot of rain, fog, and a cool climate
What is a temperate rain forest
300
The changing of liquid into a gas
What is evaporation
300
The process of one ecosystem changing into a new and different ecosystem is called
What is succession
300
A large treeless biome where the ground is frozen all year
What is a tundra
300
Organisms that live on the bottom of a body of water. Many are scavengers or decomposers Example: oysters worms
What is benthos
300
A forest biome with four distinct season and deciduous (hardwood trees whose leaves change color and fall off every autumn) trees
What is deciduous forest
400
An area from which water is drained.
What is watershed
400
The first species to live in an otherwise lifeless area
What is pioneer species
400
A cool forest biome of conifers found in northern regions
What is a taiga
400
The shallowest part of the ocean ecosystem is called
What is the intertidal zone
400
The organisms in this zone of the ocean ecosystem are well-adapted to its cold, dark conditions. What is the zone called?
What is the abyssal zone
500
A mixture of dead organic material that can be used as fertilizer
What is compost
500
This form of succession begins in a community where few, if any, living things exist
What is primary succession
500
A hot, humid biome near the equator, with heavy rainfall and a wide variety of life
What is the tropical rain forest
500
The boundary where freshwater feeds into salt water is called
What is estuary
500
The continual trapping of nitrogen gas into compounds in the soil and its return to the air is called
What is the nitrogen cycle
M
e
n
u