Estivation is ...

• The movement of animals during a particular season

• Period of inactivity in animals due to hot/dry conditions

• Period of inactivity in animals due to cold/dry conditions

• Movement of animals to another place

An stimuli is ...

• a loud noise

• a bright light

• a strong movement

• a big object

An example of tropism in plants is..

An example of a reflex is

• squint

• smile

• cry

• think

Mention the 4 needs of all living things

The _________________ is the smallest part of the tower of life

An organ is made of one or more ___________

The biggest unit of the tower of life is an