Homework pag. 19, activities 1, 2, 3 and 4. (Sorry for the delay!)
Activity 1
Greenpeace, WWF, Adena
Activity 2
D
Activity 3
Power stations will use less fuel
Activity 4
By reducing the amount of carbon dioxide released into the atmosphere.
Greenpeace, WWF, Adena
Activity 2
D
Activity 3
Power stations will use less fuel
Activity 4
By reducing the amount of carbon dioxide released into the atmosphere.
Homework pag. 17, activities 1, 2 and 3.
Activity 1
Complete:
The environment consists of nature and all the ecosystems on Earth.
Activity 2
True or false?
If one species disappear, others may also disappear.
TRUE
Activity 3
Describe diagram 3. Complete the sentences:
a. Carbon dioxide and other gases trap heat in the atmosphere.
b. These gases keep heat from escaping.
c. The atmosphere gets warmer.
Complete:
The environment consists of nature and all the ecosystems on Earth.
Activity 2
True or false?
If one species disappear, others may also disappear.
TRUE
Activity 3
Describe diagram 3. Complete the sentences:
a. Carbon dioxide and other gases trap heat in the atmosphere.
b. These gases keep heat from escaping.
c. The atmosphere gets warmer.
Homework pag. 15, activities 1, 2 and 3.
Activity 1:
Complete:
- If a living thing makes its own food , it is a producer.
- If a living thing feeds on the remains of living things, it is a decomposer (could be a secondary consumer).
- If a living thing feeds on a producer, it is a primary consumer.
Activity 2:
Describe this food chain with a diagram. Use diagram 2 as a model:
The grass is the producer. The grasshopper is the primary consumer. The lizard is the secondary consumer.
Activity 3:
Define the relationship between mosquitoes and human beings in one word:
Parasitism
Complete:
- If a living thing makes its own food , it is a producer.
- If a living thing feeds on the remains of living things, it is a decomposer (could be a secondary consumer).
- If a living thing feeds on a producer, it is a primary consumer.
Activity 2:
Describe this food chain with a diagram. Use diagram 2 as a model:
The grass is the producer. The grasshopper is the primary consumer. The lizard is the secondary consumer.
Activity 3:
Define the relationship between mosquitoes and human beings in one word:
Parasitism