Page 5 - Primary Six Notes
P. 5
They excrete: Excretion is the removal of waste products
from the body.
They respire: Respiration is the process by
which body uses food and oxygen to produce
energy. Living things need energy to sustain
*e themselves
They respond to stimuli: Animals and
V * plant respond differently circumstanc-
es in the environment for survival, ex-
amples of stimuli: food, heat, light,
Eft ri pain, gravity, water, e.t.c.
fjr
Classification of Living things
Living things are grouped into classes so that they can be studied
easily
Characteristics used for classifying animals include; number of
legs, reproduction, size, feeding, e.tc.
Living things are divided into five kingdoms namely;
1. Animal Kingdom
2. Plant Kingdom
3. Protists
4. single celled organisms
5. Fungi Kingdom
