Biotic/Abiotic Factors

• Biology
• Upper Secondary (Key Stage 4)
• GCSE

Biotic/Abiotic Factors

What is the difference between a primary consumer and a tertiary consumer?

Why are adaptations important to the survival of a species?

What living factors can affect the population size of rabbits?

What non-living factors can affect the population size of oak trees?

State why a sperm would have a large amount of mitochondia.

Scenario 1 - I Do

The farmland outside of London has experienced an increase in acid rain over the last 5 years.  

Explain how this change will affect the rat and thrush populations.

Scenario 1 - I Do

The rat population will decrease due to a decrease in its food, the grasshoppers.

The thrush population will increase due to an increase in its food, the dragonfly. 

Scenario 2 - We Do

Due to changing global temperatures, a new species of butterfly has been seen in the local community.  The new species of butterfly feeds exclusively on lavender plants and is eaten by the thrush.  

Explain how this change will affect the original butterfly population and the wolf population

The new species of butterfly feeds exclusively on lavender plants and is eaten by the thrush.
Explain how this change will affect the original butterfly population and the wolf population

Scenario 2 - We Do

The original butterfly population will decrease due to a decrease in its food, the lavender.

The wolf population will increase due to an increase in its prey/food, the thrush.