Common Misconceptions
Part of Biodiversity and Human Impacts · GCSE GCSE Biology revision
This common misconceptions covers Common Misconceptions within Biodiversity and Human Impacts for GCSE Biology. Topic 5: Biodiversity and Human Impacts on Ecosystems It is section 11 of 16 in this topic. Use this common misconceptions to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 11 of 16
Practice
20 questions
Recall
19 flashcards
⚠️ Common Misconceptions
Misconception 1: "Biodiversity just means the number of animals in an area"
Biodiversity covers ALL species — bacteria, fungi, plants, invertebrates, and vertebrates. It also includes genetic diversity within a species and the variety of different habitats. A field full of one type of grass has low biodiversity even if millions of individual grass plants are present, because there is only one species. Students also forget that biodiversity applies to micro-organisms, which are often the most numerous organisms in an ecosystem.
Misconception 2: "Deforestation only harms the species in that forest"
The effects of deforestation extend far beyond the local area. Loss of trees reduces the planet's capacity to absorb CO₂, accelerating global warming. This affects species worldwide — polar bears lose sea ice, coral reefs bleach, migratory species lose habitats along their routes. Deforestation of the Amazon affects rainfall patterns across South America due to reduced transpiration. Local destruction has global consequences.
Misconception 3: "Conservation is only about protecting endangered animals"
Conservation includes protecting habitats, maintaining genetic diversity, preserving plant species (seed banks), restoring degraded ecosystems (reforestation, hedgerow planting), and reducing pollution. Many critically important conservation efforts target plants, fungi, invertebrates, and micro-organisms — not just charismatic mammals. Seed banks, for instance, protect crop wild relatives that could be vital for food security as the climate changes.