1. explain these sentences by giving examples.
* a specific are and the living and nonliving things found there form an ecosystem.
* there is a connection between all the living things occur in different areas.
* changes to an area affect the animals and plants that live there.
2.what effects can each of these human actions have on the environment?
*putting polluted water into the ocean
* creating protected natural areas
* building a new road
* out lawing the huntin of specific animals
3. how can we measure temperature by using a thermometer?what units is temperaturemeasured in?
basic content.
4.complete these sentences
* these elements influence the climate in an area: __________,_____________,_________and____________.
*temperature varies with_________and________
we measure temperature with a _______.
- there is more precipitation in _________,__________and__________.
- we use an anemometer to measure wind__________.we use a
_________to determinethe wind's direction.
5. copy and complete the table.
6. what are the main differences between these biomes?
* desert and tropical rain forest.
*decidous forest and chaparral.
7. match the numbers with the words. color the tropical zone red, the polar zones blue and the temperature zones orange.
equator artic circle
tropic of cancer tropical zone
tropic of capricorn temperate zones
antartic circle polar zones
8. copy and complete the diagram
the environment
is made up of has the following problems
which we could solve by
synthesize
9. draw and answer the questions.
* draw the earth. color the areas where living things can survive in red.
* are there living things in the core of the earth?
* are there living things at the botton of the ocean ?
10. can the same country have several different biomes? explain with an example.
11.explain the differences between a biome and the environment.
12.answer the questions and suggest solutions.
*what are the main environmental problem of tropical rain forests?
*what are the main environmental problems of temperate forests?
answers
1.
In the ocean, there is water mineral salts, little light and living things, like fish, whales and algae. in the savanna, giraffes eat the leaves of plants; lions hunt the giraffe's young; hyenas eat the remains of animals. plants and animals, like the cactus and desert fox, are adapted to the shortage of water in the desert; in the jungle, there are living things, such as ivy, that need a lot of humidity. if a pond in a forests dried up, the living things that depend on that pond to survive (e.g.,algae,moss frogs,perch) would also dissapear.
2.
The death of many forms of marine life and illnesses in the people who eat the contaminatedfish or seafood. protecting the life of many plants and animals. deforestation,destruc
miércoles, 28 de octubre de 2009