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A Decide which of these statements are true (T) or false (F).

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  3. A new book predicts that climate change is likely to be abrupt and cataclysmic—and that these sudden shifts could cripple national economies.
  4. A peninsula is a piece of land, which is almost completely surrounded by water, but is joined to a larger mass of land.
  5. A strait is a narrow passage of water between two areas of land, which is connecting two seas.
  6. A) Read the article to find the answers to these questions.

Evolution Episode 3

 
 


Match the words and the pictures.

 
 

          trunk stem leaf bud root shoot branch
  tail head ear body leg eye mouth nose   face hair lip jaw cheek chin forehead  
         

 

 

A Order the stages of an organism development.

                           
growth death birth breeding conception maturity embryo

B View Episode 3 and check the order in Ex. 2A.

 

Match words and phrases that mean the same.

1 have something in common a) test
2 basic blueprint b) develop
3 grow in size and complexity c) pharyngeal pouches
4 check if something is good enough d) great parents of one’s great parents
5 conception e) merging of a sperm and an egg
6 gill slits f) become
7 ancestors g) body plan
8 solutions to the challenges of living h) share some features
9 turn into i) features which help to adapt to hard conditions

 

 


A Decide which of these statements are true (T) or false (F).

1 Humans have the same basic body plan as fish.

2 Adaptations to environment were evolved through trial and error.

3 The prehistoric salty sea is called amniotic fluid.

4 The human embryo grows extremely fast during the first few weeks after conception.

5 In humans gill slits develop into pharyngeal pouches.

6 Humans and other living things have common roots.

7 There are ten million different species on the Earth.

8 The first life forms appeared 38 billion years ago.


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