Describing Biodiversity
This formula is used to calculate diversity in ecosystems
Simpsons Diversity Index
What is random sampling?
Random sampling is a sampling method, in which each item in the population has an equal chance of being selected in the sample
Approximately how much energy is passed from one trophic level to the next?
10%
What is Gross Primary Production
GPP is the total amount of energy captured by solar radiation
Where was our excursion too earlier this year?
Toohey Forest
This species is characterized by having only a few offspring but investing high amounts of parental care
K- Selected Species
List 3 abiotic and 2 biotic factors that can impact distribution and abundance of species.
Abiotic; Light Availability; Precipitation; Soil pH
Biotic; Species Interactions, Human Imapct
Define Keystone Species
A keystone species is a species that has a disproportionately large impact on the environment relative to its abundance
What are the main ways that nitrogen moves around earths spheres?
1.Nitrogen fixation
2.Assimilation
3.Ammonification/Nitrification (part 1) – from egested material
4.Ammonification/Nitrification (part 2) – from bodies of dead organisms
5.Denitrification
Who has done all of their pre learning?
Abbey, Zoe, Myles, Joel, Reagan, Brayden
What is the 8 levels to the Linnean system of classification?
Domain Kingdom Phylum Class Order Family Genus Species
What is a cladogram?
A cladogram is a diagram that represents a hypothetical relationship between groups of organisms, including their common ancestors.
Define Carrying Capacity
The maximum population size of a biological species that can be sustained by that specific environment, given the food, habitat, water, and other resources available
Algae >tadpole>tortoise>heron. The amount of the original solar energy originally stored by the algae that actually reaches the heron would be closest to
a.) 25%
b.) 10%
c.) 1%
d.) 0.1%
d.) 0.1%
When is IA2 due?
Week 5
One species is gaining an advantage while the other species is being harmed. Identify the species interaction being described
Parasitism
Certain species are dependent upon one another and so may be classified or grouped together, as conservation strategies must take management of both of them into account" Identify the species interaction being described.
Symbiosis
Explain how carrying capacity is limited by food availability
There may not be enough food for the whole population, causing some organisms to die off, therefore changing the carrying capacity of the population.
Explain how removing a keystone species from their ecosystem can cause a Trophic Cascade
The loss of an apex predator can result in a trophic cascade
A trophic cascade is a top-down affect where the loss of an apex predator causes a rise in the mesopredators (midlevel predators). This can then cause the collapse of other species within the food web.
What are the names of the two topics we are studying
Describing Biodiversity and Ecosystem dynamics
What is the difference between a realised niche and a fundamental niche?
Realised niche- represents the actual use of resources used by a species.
Fundamental niche-The widest potential niche that a species could ideally occupy without competitors or predators (theoretical potential use of resources for a particular species)
What 2 measurements is spechts classification based on? How do you differentiate between a rainforest and a desert?
Ground/canopy cover and height of the tallest stratum
Explain primary and secondary succession
In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance
What are the 5 main steps in the nitrogen cycle?
1.Nitrogen fixation
2.Assimilation
3.Ammonification/Nitrification (part 1) – from egested material
4.Ammonification/Nitrification (part 2) – from bodies of dead organisms
5.Denitrification
What is Miss Careys favourite song?
The Carbon Cycle- Love story Taylor swift parody