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WorksheetsGr4Ch5
Total questions: 14
Worksheet time: 7mins
..........................is very cold ecosystem.
desert
tundra
grassland
cactus are adapted to live in ..................
wetland
desert
forest
The area or place where an organism lives.
ecosystem
population
habitat
platypu has webbed feet to help it to........................
fly
swim
walk
............................occur when two or more living things need the same resources
adaptation
population
competition
............. are animals that change their environment when they build dams
beavers
birds
insects
give reason Kudzu plants destroy the forest.
they block the sunlight
produce pollution
they eat the animals
........................is renewable resource.
minerals
petroleum
sunlight energy
give reason. We should not waste water
only one percent of Earth’s
water is drinkable
water is liquid
most earth is covered with water
....................can use the wind energy to produce electricity
solar cells
windmills
motors
solar and wind energy are better sources of energy because.....
they are renewable
they do not cause pollution
both a and b
.............is a space in rock in the shape of a living thing.
mold fossil
cast fossil
amber
...........................give clues about the extinct animals activity.
actual bones fossil
trace fossil
amber
are now extinct. They had hard shells and lived in the sea millions of years ago.
dinosaurs
trilobites
dodo bird
