Biodiversity and roles in an ecosystem

Where does the energy from an ecosystem come from?

• Trees
• Sun
• Plants
• Water

A population is

• a group of similar species in different areas

• a group of the same species in the same geographic area.

• a group of several species in the same geographic area

• a group of several species along with their abiotic factors in a small area.

Biodiversity, aka biological diversity, usually refers to

• the same species in a general location

• the number of different species in a given area

• the number of animal species in a given area

• the number of plant species in a given area

Organisms need all of the following things EXCEPT

• Food
• Water
• Shelter
• Ability to hunt

 Which biome is more likely to survive a change in the environment?

• High (rich) biodiversity
• Low (poor) biodiversity

What is the difference between biotic and abiotic?

• Biotic are non-living things
• Abiotic are living organisms
• Biotic is life,
  Abiotic is non-living
• Biotic is non-living, Abiotic is living

If there is more food than usual in an ecosystem, then the population will mostly likely...

• stay the same
• decrease
• increase

Which factor is most likely to cause the number of rabbits living in an area to increase?

• less water

• lack of shelter

• fewer predators

• limited food

All of the different organisms interacting in a pond make up

• a community

• the water cycle

• a population

• the habitat

Which type of organism converts wastes and dead materials into nutrients that can be used by plants?

• carnivore

• decomposer

• herbivore

• producer