Edit Game
Organisms and their environment
 Delete

Use commas to add multiple tags

 Private  Unlisted  Public



 Save

Delimiter between question and answer:

Tips:

  • No column headers.
  • Each line maps to a question.
  • If the delimiter is used in a question, the question should be surrounded by double quotes: "My, question","My, answer"
  • The first answer in the multiple choice question must be the correct answer.

 Import questions





 Save   15  Close
Which factors limit the population growth?
Predation, competition for resources, famine, wars,diseases ...
Which conditions favour the population growth?
Food supply, resources, health, education...
How is the relation between the BIRTH RATE and DEATH RATE when a population increases in size?
Birth rate > death rate
Define the term ECOSYSTEM
A biological system that contains a COMMUNITY of organisms together with non-living parts of the envirnment, interacting together.
Define the term COMMUNITY
A group of different populations of different species in an ecosystem / Populations of different species
Define the term POPULATION
A group of organisms of one species, living and interacting in the same area at the same time.
Name the 3 processes that REMOVE nitrates from the soil.
1. Uptake by plants, 2. Leaching, 3. Denitrifying bacteria
Name the 2 processes that ADD nitrates to the soil
1. Nitrifying bacteria 2. Nitrogen-fixing bacteria
Identify the cycle of the picture and name its 4 main processes.
Water cycle. Processes: Evaporation, Condensation, Precipitation, Transpiration.
Identify the nutrient cycle represented on the picture and name at least 4 of its processes.
Carbon cycle. Processes:Photosynthesis, Decay, Respiration, Fossilisation, Combustion.
In a 1._____ _ ______, we represent the energy at each trophic level. The producers at the bottom, have the _____ amount of enery.
1. pyramid of energy / 2. greatest, largest
A _____ __ ______ has levels which represent the dry weight of species in a food chain.
pyramid of biomass
A _______ is an organism that gets its energy from dead or waste organic.
decomposer
A _____ __ ______ has levels which represent the number of each species in a food chain.
pyramid of numbers
A food chain shows the transfer of 1._______ from one organism to the next, beginning with a 2._________, which obtains its energy from the 3. __________.
1. energy / 2.producer / 3. sun
Your experience on this site will be improved by allowing cookies.