»./^,.,^„ II- The Environment of Plants and Anima 



CONTENTS 



PAGE 



FoREWOKD TO Teachers .... 13 



Directions to the Student for Keeping Notes in Biology 19 



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1. To determine the factors of environment . ... 23 



2. Comparison of a natural with an artificial environment . . 24 



3. To test my home environment .25 



4. To learn the conditions of my city environment 27 



5. To determine and to illustrate by a graph the changes of temperature 



(one of the factors of the environment) during a given day . . 28 



6. To make a graph to show how niuch fluid I take into my body in a day 30 



7. May environment influence public health ? . . . . . .30 



III. The Interrelations of Plants and Animals . 



8. A field trip .... 



9. Hovr to know an insect 



10. To learn to recognize insects that frequent flowering plants 



11. T6 study the life history (metamorphosis) of an insect 



12. To learn the structure and work of the parts of a flower 



13. The cross-pollination of flowers . , .... 



14. To study cross-pollination in butter and eggs .... 



15. Special directions for the study of some fall flowers (Extra) 



16. To find other pollinating agents besides insects . 



IV. The Functions and Composition of Living Things 



17. The uses of the parts of a plant 



18. To study the needs and uses of the parts of a living animal . 

 (Study of compound microscope) . . . . ■ . 



19. To determine the unit of structure in plants and animals 



20. To determine some of the properties of protoplasm 



21. To study structure and growth of pollen .... 



22. To study the reason for the growth of pollen grains in flowers 



23. To discover how fruits are formed 



24. How and why fruits and seeds are scattered 



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