01:47

Khao Dinsor

02:28

2.22 Testing a plant leaf for starch

02:00

3.27 Human Diploid Number

03:03

3.26 Random fertilisation

02:09

SOLO

06:15

Pajero Sport on Chana Dai Cliff

06:14

2.78c Osmoregulation

04:11

2.83 Communication

02:10

2.79 Control Systems

05:43

2.78b Thermoregulation

03:06

2.78a Thermoregulation

01:25

2.77 Sensitivity

01:30

2.76 Urine

03:53

2.75 ADH.

03:14

2.74 Glucose re-absorption

05:11

2.72 Ultrafiltration

03:13

2.73 Water re-absorption.

05:48

2.71 Nephron Structure

01:13

2.70 Urinary system

02:46

2.69b Osmoregulation

02:16

2.69a Excretion

02:08

2.68 Human organs of Excretion

02:07

2.67a Excretion in plants

02:13

1.1 The Characteristics of Life

05:24

3.25 Meiosis

06:46

3.30 Evolution

02:08

3.33 Causes of mutation

02:10

3.31 Types of mutation

03:00

3.32 Antibiotic resistance

01:59

3.29 Mutation

05:43

3.28 Species Variation

04:05

2.32 Energy content of food

04:03

2.31 Villi structure and fuction

04:11

2.30 Bile

04:06

2.29 Digestive Enzymes

04:35

2.27 Stages of Digestion

02:03

2.28 Peristalsis

05:18

2.26 The human alimentary canal

03:11

2.25 Energy and Diet

02:36

3.24 Mitosis in action

03:47

5.3.2-3 Population growth

01:57

5.3.1 Population Size

07:25

3.23c Mitosis 3

02:33

3.23b Mitosis 2

03:20

3.23a Mitosis 1

01:00

Investigation Digger Wasp

04:33

5.1.14 Saprophytes and recycling

01:39

5.1.13 Energy flow and nutrient cycle

03:35

3.22 Sex determination Probability

01:17

3.21 Chromosomes and sex determination

05:01

3.20b Genetic Probabilities

04:43

3.20a Genetic Probabilities

03:29

3.19b Pedigree 2

03:08

3.19a Pedigree diagrams

08:18

3.18b F1 x F1 Cross

09:11

3.18a P1 x P1 Cross

03:05

3.17c Codominance

03:14

3.17b Genotypes

04:25

3.16 Alleles

05:29

3.15 DNA and Genetic information