1. Life appeared on Earth at the same time the planet was formed. This sentence is:

False True

2. The levels of biodiversity we can observe in our planet are:

Specie and Habitat diversity. Genetic, species and ecological diversity Bacteria, plants and animals

3. Biodiversity is different across the planet because: (Select the most correct option)

The continents are separated by bodies of water, like oceans and seas. Planet geology is also across the planet, and therefore also biodiversity. It’s dinosaur’s fault! Abiotic factors are not the same across the planet, such as rain and temperatures, average number of sunlight hours, etc.

4. What is the main energy source of ecosystems or habitats across the planet?

Water Sunlight Rocks Meteorites

5. Not every species has the same ecological role on their habitat or ecosystem. Please select the true sentences (be careful, maybe there are more than 1 correct sentence)?

Mushrooms are the main earth producers. Predators only eat herbivores. Plants are normally the main producers of ecosystems and habitats. There are 3 types of ecological roles: Producers, Consumers and Detrivores. Herbivores consume the producers, normally plants.

6. Overall ecosystems provide services to human populations such as: (be careful, maybe there are more than 1 answer)?

Food Raw materials such as wood A danger to humans! There are monster plants everywhere! Good air quality They don’t provide anything to us :( Medicins Water purification

7. Global economy impacts negatively in various ways, such as: (select the 1 wrong answer)

Climate change Pollution The only impact is the plastic on the ocean Overexploitation Habitat fragmentation

8. A specie is more prone to extinction when: (be careful, maybe there are more than 1 answer)?

Its populations are growing There are several populations of the specie with a stable size Its populations are decreasing rapidly Has only 1 population on a small area

9. An ecosystem can be more resistant and resilient to negative pressures when:

They have a few numbers of species They have a dominant specie and a high number of non-dominant specie They have a good specie’s structure with several species’ pf producers, consumers and decomposers. They have 2 species.

10. The EU has a Nature Conservation Network to help to protect European biodiversity. The name of the network is:

Birds and Trees Natura 2000 Mars 2050 EU Life