Everything Life Sciences Grade 10

Be drawn in a sharp pencil for clear, smooth lines. Be large so that all structures can be clearly seen (at least 10 lines of p ...

Two-dimensional (2-D) and three-dimensional (3-D) diagrams DUMMY Objects in Life Science can be drawn in three dimensions becaus ...

1.7 How to draw graphs in Science Presenting data graphically Line Graphs Line graphs are used when: The relationship between t ...

FACT Table headings are always written ABOVE the table. Graph headings are always written BELOW the graph. Figure 1.3: Graph sho ...

Histograms are used when the independent variable (x-axis) represents information which is continuous, such as numerical ranges, ...

Species No of types % Slice angle Insects 17 17 × 100 50 = 34 % 34 × 360 100 =122,4◦ Plants 16 16 × 100 50 = 32 % 16 × 360 100 = ...

It is very important to be able to convert tables to graphs, and vice versa. Below are some exercises to practice this. Question ...

1.8 Mathematical skills in Life Sciences DUMMY Mathematical skills are important in Life Sciences. Below are explanations of som ...

Count how many learners are left handed (A). Count the total number of learners in the class (B). There are 48 learners an ...

Do not to overheat the solution when heating substances in a test tube. Ensure that you are dressed appropriately: hair should ...

CHAPTER^2 The chemistry of life 2.1 Overview 24 2.2 Molecules for life 25 2.3 Inorganic compounds 25 2.4 Organic compounds 30 2. ...

2 The chemistry of life 2.1 Overview Introduction DUMMY In this chapter we will study the molecular structure and biological fun ...

FACT Because all compounds contain more than one atom, all compounds are molecules. However, not all molecules are compounds. FA ...

use water in special chambers in their body to give their bodies support. This use of water pressure to provide body form, and e ...

Micro-elements(micro-nutrients) are nutrients that are required in very small quantities for development and growth and include ...

Mineral Source Main Functions Deficiency Disease Macro-nutrients Calcium (Ca) inorganic fertilisers; Ca ions in the soil part of ...

and lakes. This leads to high growth of water plants. Plants grow and produce food by photosynthesis which requires high quantit ...

variable than the inorganic fertilisers. As a result it is difficult to know for sure whether the particular nutrient required b ...

Figure 2.7: A glucose molecule is made up of carbon, hydrogen and oxygen. Structural composition Carbohydrates are made up of mo ...

but the difference in the properties of these substances can be attributed to the way in which the glucose molecules join togeth ...