Copyright© Leafy_Notes - may not be distributed.
Natural Sciences
Grades 8
This document is strictly prohibited from
being copied, resold, distributed, or sold
under any alternative license.
Term: 1
[1]
, Copyright© Leafy_Notes - may not be distributed.
Contents
Term 1
Life and Living Things
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
.......
Unit 1: Photosynthesis and respiration
1.1 Photosynthesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
..
1.2 Respiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . ..
Unit 2: Interactions and interdependence within the environment
2.1 What is ecology? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
...........
2.2 Ecosystem. 17
2.3 Nutritional relationships. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
.........
2.4 Energy flow: Food chains and food webs. . . . . . . . . . . . . . . . . . . . . . . . . 21
.....
2.5 Balance in an ecosystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
. . . . . . . . . ..
2.6 Adaptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
. . . . . . . ..
2.7 Conservation of the ecosystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . ..
Unit 3: Microorganisms
3.1 Types of microorganisms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
..........
3.2 Harmful microorganisms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
. . . . . . ..
3.3 Beneficial microorganisms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
...........
[2]
, Copyright© Leafy_Notes - may not be distributed.
Term 1: Life and lifestyle
Life and lifestyle
Photosynthesis Interactions and Microorganisms
interdependencies
[3]
Natural Sciences
Grades 8
This document is strictly prohibited from
being copied, resold, distributed, or sold
under any alternative license.
Term: 1
[1]
, Copyright© Leafy_Notes - may not be distributed.
Contents
Term 1
Life and Living Things
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
.......
Unit 1: Photosynthesis and respiration
1.1 Photosynthesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
..
1.2 Respiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . ..
Unit 2: Interactions and interdependence within the environment
2.1 What is ecology? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
...........
2.2 Ecosystem. 17
2.3 Nutritional relationships. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
.........
2.4 Energy flow: Food chains and food webs. . . . . . . . . . . . . . . . . . . . . . . . . 21
.....
2.5 Balance in an ecosystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
. . . . . . . . . ..
2.6 Adaptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
. . . . . . . ..
2.7 Conservation of the ecosystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . ..
Unit 3: Microorganisms
3.1 Types of microorganisms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
..........
3.2 Harmful microorganisms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
. . . . . . ..
3.3 Beneficial microorganisms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
...........
[2]
, Copyright© Leafy_Notes - may not be distributed.
Term 1: Life and lifestyle
Life and lifestyle
Photosynthesis Interactions and Microorganisms
interdependencies
[3]
