Ecosystems, interdependence and field sampling

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Question 50

A student investigated the distribution of moss in two different areas of a school field by measuring the light intensity using a light meter.

State one variable the student should have controlled to make sure the light intensity measurements obtained in both areas could be compared fairly.

[1]

Ecosystems, interdependence and field sampling

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

Question 50

A student investigated the distribution of moss in two different areas of a school field by measuring the light intensity using a light meter.

State one variable the student should have controlled to make sure the light intensity measurements obtained in both areas could be compared fairly.

[1]

Ecosystems, interdependence and field sampling

Question 50

Ecosystems, interdependence and field sampling Questions

Ecosystems, interdependence and field sampling

Question 50

Ecosystems, interdependence and field sampling Questions