2. ECOSYSTEM
• All communities and abiotic factors in
one area.
BIOME
A large group of similar ecosystems.
(similar biotic and abiotic factors)
Areas of similar climate, similar ecosystems, similar
organisms.
17. Tropical Rainforest
Flora: one square kilometer may contain as many as 100 different tree species.
Trees are 25-35 m tall, with buttressed trunks and shallow roots, mostly
evergreen, with large dark green leaves. Plants such as orchids, bromeliads,
vines (lianas), ferns, mosses, and palms are present in tropical forests.
Fauna: numerous birds, bats, small mammals, and insects, such as ants,
centipedes, peccaries, frogs, monkeys, eagles.
- Rainy all year. - Warm and humid. -Diverse plant life.
-Lush animal life. - Soil is poor, no humus, quick
reconversion.
-Dense but high canopy. - 25 to 35C.
21. Desert
Flora:deciduous, most having spiny leaves, salt bush, buckwheat bush, black bush, rice
grass, little leaf horsebrush, black sage, and chrysothamnus, white thorn, cat claw,
mesquite, brittle bushes (Encelia farinosa), lyciums, and jujube, cacti, yuca.
Fauna: jack rabbits, kangaroo rats, kangaroo mice, pocket mice, grasshopper mice,
and antelope ground squirrels, great horned owl, golden eagle and the bald
eagle,coyote and badger,lizards and snakes, grasshoppers and ants.
- Too little precipitation. - Dry-hot, some are cold.
-Scarce plant life.
-Nocturnal animal life. - Soils are rich, but dry.
-Dense but high canopy.
- Temperature depends on type of desert.
22. Desert
Hot and Dry Deserts temperature ranges
from 20 to 25° C.
The extreme maximum temperature for Hot
Desert ranges from 43.5 to 49° C.
Cold Deserts temperature in winter ranges
from -2 to 4° C and in the summer 21 to 26°
C a year
