23. respiration in plants and animals

1.

RESPIRATION IN
PLANTS AND ANIMALS

2.

Lesson objectives
⚫ To explore the conditions necessary for
the process of photosynthesis.

3.

GENERAL FORMULA OF
CELLULAR RESPIRATION IS

4.

IN PLANTS RESPIRATION (gas
exchange) TAKES PLACE
MAINLY THROUGH STOMATA
OF LEAVES

5.

LENTICELS ARE PORES IN A WOODY STEM
and fruits THAT ALLOW GAS EXCHANGE
BETWEEN PLANT AND ENVIRONMENT

6.

7.

8.

IN PLANARIA AND HYDRA
RESPIRATION OCCURS BY
DIFFUSION.
They don’t have special
respiratory organs

9.

INSECTS HAVE TRACHEAE
FOR RESPIRATION

10.

MOST OF AQUATIC
ANIMALS SUCH AS FISHES
HAVE GILLS

11.

12.

AMPHIBIANS, REPTILES,
BIRDS AND MAMMALS
HAVE LUNGS.

13.

14.

15.

Let’s do labwork on p.65

16.

Homework
⚫Read p.64-65
⚫Fill in the labworksheet on p. 65
⚫New words