8.2 Love is in the air ....

• Biology
• Middelbare school
• vwo
• Leerjaar 2

Ch. 8 Behaviour

Your behaviour is a choice, 

it isn't who you are

today''s program 

revision 8.1: exercises, learning objectives  

8.2: new learning objectives 

homework

IS IT NATURE OR NURTURE?

NATURE 

NURTURE

In Africa, Maasai warriors jump in the air to
impress women.

One-day-old sparrow chicks open their beaks

when a parent bird arrives with food.

At a Jewish wedding the groom breaks a glass

by stepping on it.

A newborn baby grasps its mother’s fingers.

You are outside with your friends. It is almost time for dinner and your stomach is rumbling. However, you and your friends are discussing the plans for the upcoming school dance. Although you are running late for dinner, you finish your conversation about the dance.
Is your motivation for having dinner higher than for finishing your conversation? Explain your answer.

1. for having dinner
2. for finishing your conversation
3. for both
4. for neither

Learning objectives: 'what I am going to learn'

I can .... 

• explain what mating behaviour is and what it's function is
• explain the difference between behavioural unit and behavioural sequence 
• explain what sign stimulus is and give an example of it
• explain what a supernormal stimulus is and give an example of it 

New key terms:

mating ritual - behavioural sequence - behavioural unit -

behavioural sequence - sign stimulus - supernormal stimulus 

plenary discussion 

what's the function of courtship behaviour?

red lips are supernatural stimuli to men. what does a woman show when her lips are red?

00:01

You will look at the mating behaviour of a spider. 

Write down the behavioural units while watching 

the video.

02:01

Which behavioural units have you
seen in the video?

In the video you have seen the mating behaviour of a spider. This behaviour always happens in the same order.
How do we call a fixed pattern in behaviour?

homework

finish and study paragraph 8.2: learn definitions & examples, do excercises in the workbook