A
Freshwater and saltwater systems combine in an ______.
estuary
A ______ is a grassland located near the equator.
savannas
A biome that is _________ is located on land.
terrestrial
____ and ______ are some of the most diverse marine habitats in the world.
coastal wetlands and coral reefs
A __ may be hot or cold, but generally very dry.
desert
The ________ of a forest is made up of the tops of trees which capture most of the sunlight.
canopy
Cutting down large forest areas for development contributes to ____________.
deforestation
The ___________ is filled with evergreen trees.
taiga
The _______ has a layer of soil called permafrost that is always frozen
tundra
A saltwater ecosystem is known as a __________ biome.
marine
A ____________ grassland is very fertile.
prairie
Tress in a ______________ lose their leaves when the weather gets cold.
deciduous forest
Ecosystems are grouped into different __________.
biomes
The amount of salt that is dissolved into water is called its ____________.
salinity
Trees in the forest _______ receive little light.
understory
Dry, coastal grasslands are called the __________.
chaparral
More than 70 percent of Earths's surface is covered with ______ biomes.
Biomes that are close to the equator have ___________.
high temperature
The chaparral are ____________ biomes.
grassland
Which of the following biomes usually contains the greatest diversity of life?
rain forest
Most of the food that people eat comes from _________ biomes.
grassland
The difference between a lake and pond is ________.
size
Which biome would you like to live in and why?
rainforest, tundra, grassland, taiga, desert, marine, freshwater, savanna, or chaparral
Name the levels of the forest.
floor, understory, canopy
Which biome contains more salt than any other aquatic biome?
saltwater