Biodiversity is a measure of how many different species live in an ecosystem. Human activities like changing land use, deforestation and peat bog destruction reduce this.
What is a keystone species?
One that tells us about the health of the ecosystem
The species at the bottom of the food chain
One that plays a critical role
What is poaching?
Legal hunting of animals
Illegal hunting of animals
Fencing in of animals
Which of these helps to maintain biodiversity?
What is an endangered species?
A species that is far from extinction because of its low numbers
A species that is close to extinction because of its low numbers
A species that is close to extinction because of its huge numbers
Which of these is a positive human interaction with an ecosystem?
Releasing waste sewage into rivers
Building houses on a nature reserve
Replanting trees in the rainforest
What does it mean if a forest is managed sustainably?
The forest can be used to obtain resources for humans but is not permanently affected
The forest is destroyed so that humans can get the resources that they need
Humans are not allowed to use the forest to get any resources that they need
What is an ecosystem?
All the non-living components of an area
All the organisms and non-living components of an area
All the organisms of an area
Why did the dodo become extinct?
It had nowhere to live
It was hunted by humans
It had no food
Which of these might be a challenge that is faced when acting to maintain local biodiversity?
There are too many species to keep track of
There is lots of money to be used on the project
Educating local people
Which organism can be used as a air pollution indicator?
Small tortoiseshell butterfly