Describing Ecosystems
Relationships in ecosystems
Field Work
Organisms in Ecosystems
Climate Change
100
What is the secondary consumer in the food chain?
frog
100
What are the three symbiotic relationships?
Mutualism, Commensalism and parasitism
100
What percentage of and area should be surveyed when using quadrats?
5%
100
What is an Autotroph?
Plants as they make their own food via photosynthesis
100
How long do weather patterns and conditions need to be consistantly observed for it to be described as climate
At least 30 years
200
When groundwater running through sandstone caves creates stalegtites and stalegmites, which two spheres are interacting?
Lithosphere and hydrosphere
200
Give an example of each of the symbiotic relationships
check with teacher
200
Explain the difference between species richness and species abundance
The number of species vs the comparitive population of each species observed
200
What is the area in which an organism occupies and performs a specific role within an ecosystem
A niche
200
What is the main factor that is driving climate change?
The enhanced greenhouse effect
300
List three things that could be seen as limiting factors in a temerpate forest
Light
Water
Nutrients
300
A species that will cause ecosystem collapse if they disappear
Keystone species
300
List 4 things that are measured as part of a water quality assessment
pH, temperature, turbidity, conductivity/salinity and dissolved oxygen
300
Explain the difference between a generalist and a specialist using examples
a rodent is a generalist as it can survive in a variety of conditions where a topical fish is a specialist as it can only survive in particular conditions
300
List four greenhouse gases
water vapour, carbon dioxide, nitrous oxide and methane
400
What are the three types of ecological pyramids?
Numbers, biomass and energy
400
Explain how competition exisits both between species and within species using examples
Within a species males may compete for mates, territory and position. Between species may compete for food shelter and territory
400
When collecting macroinvertabrates what information do you need to record
name of species, number of individuals, weight factor
400
Name 3 examples of aquatic producers
Algae, sea weed, phytoplankton
400
Describe three human activities that increase the amount of CO2 to the atmosphere
Burning fossil fuels
Manufacturing and construction
Reducing the number of plants and trees
500
Outline an example of primary succession that includes at least 4 stages
lichen on rock forms soil, grasses start to grow and bring nutrients tot he soil, shrubs and small trees begin to grow finishing with a highly diverse climax community
500
Give an example of how a social hierarchy works in a series
Individuals get access to food, shelter, mates based on their position, alpha male always goes first
500
Give an example of each of the four indicators listed in regard to damper creek
Chemical, physical, biological and socioeconomic
chemical - pH
Physical - low levels of erosion
Biological - presence of tadpoles and bird life
Socioeconomic - Walking paths create high human traffic
500
How many predators are there in this ecosystem?
6
500
Describe three consequences of continued climate change?
rising sea levels
more extreme weather events
species migration