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

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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