National 5 Unit 3: Life on Earth
Homework 1: Biodiversity and the distribution of life
1. Give the definition of a biome. (1)
2. Give 2 factors that affect the global distribution of biomes. (2)
3. State what is meant by
a) ecosystem
b) biodiversity
(2)
4. Give two examples of abiotic factors.
(2)
5. Give two examples of biotic factors.
(2)
6. State what is meant by an organism’s niche.
(1)
National 5 Unit 3: Life on Earth
Homework 1: Biodiversity and the distribution of life
1. Give the definition of a biome. (1)
2. Give 2 factors that affect the global distribution of biomes. (2)
3. State what is meant by
a) ecosystem
b) biodiversity
(2)
4. Give two examples of abiotic factors.
(2)
5. Give two examples of biotic factors.
(2)
6. State what is meant by an organism’s niche.
(1)
National 5 Unit 3: Life on Earth
Homework 1: Biodiversity and the distribution of life
1. Give the definition of a biome. (1)
2. Give 2 factors that affect the global distribution of biomes. (2)
3. State what is meant by
a) ecosystem
b) biodiversity
(2)
4. Give two examples of abiotic factors.
(2)
5. Give two examples of biotic factors.
(2)
6. State what is meant by an organism’s niche.
(1)