Earth's Ecosystems

A large region characterized by a specific type of climate and certain types of plant and animal communities

• Biology

• Biome

• Binomial

• Ecology

Match the following

• River

• Area where river's fresh water mixes with ocean's salt water

• Coniferous

• A very strong, wide stream

• Estuary

• A stream of water that joins a longer steam

• Tributary

• Produce seeds in cones

• Deciduous

• Shed leaves in the fall to save water

A​ (a)   has trees whose leaves change color and fall off whereas a ​ (b)   has trees that produce seeds in cones. It is usually ​ (c)   in the coniferous forest. There are many different trees, animals, and plants in a ​ (d)   . There are grasses and flowing plants but very few trees in the ​​ (e)   .

• temperate deciduous forest
• coniferous forest
• cold
• tropical rain forest
• temperate grassland
• warm
• savanna
• chaparral
• desert
• tundra

Match the following

• Savanna

• 
• Temperate grassland

• 
• Desert

• 
• Alpine tundra

• 
• Polar tundra

• 

These abiotic factors affect marine ecosystems

• Temperature

• Sunlight

• Plants

• Fish

• Depth

Match

• Ocean floor

• Intertidal zone

• Place where ocean meets land

• Neritic zone

• Deep water and open ocean

• Benthic zone

• Place where ocean floor slopes downward

• Oceanic zone

Frozen layer beneath the surface soil

The mass of mostly microscopic organisms seen here. They float or drift freely in fresh water and marine environments.

Label

e

f

g

h

d

c

b

a

Pelagic zone

Continental shelf

Intertidal zone

Photic zone

Neritic zone

Benthic zone

Aphotic zone

Oceanic zone

Warm, shallow habitats that provide homes for animals and plants

• Plankton

• Marine ecosystems

• Coral reef

• Deserts