Rocky Shore Species + Food Webs
What are three species present on the rocky shore?
Hermit crab, algae, lichens, worms, molluscs, fish, crustaceans
What is an abiotic factor?
A non-living part of an eco-system that shapes its environment
What is the definition of tolerance?
The range of a certain abiotic factor an organism can tolerate
What is competition?
When two or more organisms are both trying to obtain the same resource
Zonation
What is one adaptation that your chosen species uses to survive on the rocky shore?
Mrs L to check
What is a biotic factor?
A living organism that shapes its enviroment
Do cacti have a high or low tolerance to shade?
Low
Give two examples of what plants and animals could be competing for?
Food, sunlight, space, shade
What is the definition of zonation?
The distribution of species into zones along an environment gradient
Organisms occupy a _______ level based on what they eat
What is an example of an abiotic factor present on the rocky shore?
temperature, light, water availability, moisture, salinity, ocean currents
How are food webs different to food chains?
More complex, show the whole ecosystem, a combination of food chains
What is the term used to describe every relationship or interaction one organism has with the other?
Symbiosis
As a result of the environmental gradient, species occur in _______ zones according to their ability to cope with the ______ along the gradient and their _______ with other _______
horizontal, conditions, interactions, species
Based on the way they obtain their energy or get their food. Pathway for energy flow and nutrient cycling
What is an example of a biotic factor present on the rocky shore?
Appropriate species named
What are the three examples of exploitation?
Parasitism, herbivory and predation
What is the definition of mutualism and give one example?
Both organisms benefit from the relationship. Clown fish and sea anemones.
What is the definition of ecological succession?
The process by which the mix of species and habitat in an area change over time
What are the four trophic levels and how are they defined?
Primary producers- plants (autotrophs)
Primary consumers- herbivores (heterotrophs)
Secondary consumers- primary carnivores
Tertiary consumers- secondary carnivores
Biotic factors can be discussed with reference to _______ and ________ relationships
intraspecific and interspecific
Which ethnic group can tolerate low oxygen levels? How does this relate to the training of high-performance athletes?
Sherpas- athletes train at high altitude, where oxygen availability is lower- this increases their red blood cell count.
Sharks/fish, epiphytes and trees
What is the difference between primary and secondary succession?
Primary- from bare land
Secondary- more rapid, following floods, fires etc