Organisms
What does the E stand for in MRSGREN?
Excretion
What is classification?
The grouping of organisms based on similarities.
What is the name of the level that starts all food chains/webs?
Producers
List 1 natural impact that can affect an ecosystem.
Many examples such as disease, flooding, introduction of a new species etc.
Which letter/word in MRSGREN relates to organisms exchanging gases (e.g. oxygen and carbon dioxide)?
R - Respiration
List the 7 levels of the Linnaean classification system IN ORDER.
Kingdom, phylum, class, order, family, genus, species.
What is the name of the level of organisms that eat primary consumers?
Secondary consumers
List 1 human impact that can affect an ecosystem.
Many examples such as mining, logging, agriculture, urbanisation etc.
How many of the MRSGREN characteristics does an organism need to be classed as living?
ALL 7!
List the names of the 5 kingdoms.
Animalia, Plantae, Fungi, Monera, Protista
Apex predator
What happens to a food web when one species dies off?
List what each letter in MRSGREN stands for.
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition.
List two examples of organisms in the 'Fungi" kingdom
Examples include mushrooms, toadstools, yeast and moulds.
What do the arrows in a food web/chain show?
The arrows show the direction of the flow of energy from organism to organism.
What is the impact called when land is cleared to use trees for timber?
Logging/deforestation
Which letter/word in MRSGREN relates to an organism's ability to detect and respond to stimuli in it's environment?
Sensitivity
List one characteristic of organisms in the plantae kingdom
- Make their food through photosynthesis
OR
- Made up of many cells (multicellular).
What is the role of decomposers in a food web?
They break down dead plant and animal matter and recycle the nutrients back into the ecosystem.
What is the impact called when land is cleared to make room for crops/animals?
Agriculture