Ex. 3 Say if the statements are true or false. Correct the false ones

1A deciduous forest typically has five to seven layers of plant growth.

2 The canopy is moderately dense, but it does allow sunlight to reach the forest floor.

3 Forest herbs, such as wildflowers and berries, make up a first layer.

4 Thin, broad, light-weight leaves of deciduous trees easily captures the sunlight needed for food production.

5 Deciduous trees make external and physical adaptations that are triggered by changes in the climate.

6 Chlorophyll - the " green" stuff in the leaves that changes the color of the leaves.

Ex. 4 Insert the missing information.

1Trees of the Deciduous Forestbiome include both …, deciduous trees and ….

2 The … layer of plant growth includes saplings and species of trees that are naturally ….

3 A … layer would include mosses and lichens that grow on tree trunks.

4 The broad leaves are great when temperatures are … and there is plenty of ….

5 … temperatures and … sunlight are two climatic conditions that tell the tree to begin adapting.

6 With … sunlight and water, the leaf is unable to … … chlorophyll.

 

Ex. 5 Answer the questions.

1 How manylayers of plant growth does a deciduous forest typically have?

2 What are the layers?

3 In what way do trees capture sunlight?

4 Can deciduous trees make any adaptations to changes in the climate?

5 What happens to a tree in Autumn?

6 Why do leaves change colours?

 

Ex.6 Read and translate the supplementary text.

 

What is the largest flower in the world?

The largest flower in the world, the rafflesia arnoldi, weighs 7 kg (15 pounds) and grows only on the Sumatra and Borneo islands of Indonesia. Its petals grow to 1 metre long and 2, 5 cm thick.There are 16 species of rafflesia, found in Sumatra, Malaysia, Philippines and Borneo. The species is named after the naturalist Sir Stamford Raffles, who founded the British colony of Singapore in 1819. Raffles discovered the parasitic plant with his friend Dr. Joseph Arnold during their travels in May 1818. The rafflesia arnoldi is named after the two.

However fascinating and beautiful the rafflesia arnoldi may be, it is also called “corpse flower” and really reeks, the latter to attract flies for pollination.

Of about 200, 000 kinds of flowers in the world, the smallest is the duckweed, which can only be seen with a microscope.

 

Text 2 Carpet moss

 

Vocabulary

Moss – мох, лишайник;

evergreen – вечнозелёный, неувядающий;

habitat – среда обитания, место распространения;

taper off - суживаться к концу;

margin – край;

serrated – зазубренный, пилообразный;

pore – пора;

nutrient – питательное вещество.