Food Chains & Webs
Symbiosis
Populations
Biodiversity/Succession
Pot Luck
100
Which way do arrows point on a food chain?
Towards what is eating it.
100
Bees and flowers share what relationship
mutualism
100
Invasive species have what type of growth?
exponential
100
Name a pioneer species in primary succession
lichens (mosses)
100
Name a species invasive to Virginia and a species that is directly impacted.
spotted lattern flys- red maple
snake head- small mouth bass
japanese honey suckle- persimmon
etc.
200
What is another name for an autotroph?
Producer, plant, Primary producer
200
Name 2 sets of different organisms with a parasitism relationship.
tick on deer
leech on fish
pin worm - humans
covid-vector
200
Name 2 characteristics of a K strategists.
slow reproducer (few offspring)
lives longer
larger
invests in young
200
What are the 2 requirements for natural selection?
Survive & Reproduce
200
Which biome is home to more than half of the world's terrestrial species?
tropical rainforest
300
What is the role of a detritivore?
breakdown decaying matter and recycle it back into the food chain.
300
A prey species adapting to climb trees and a predator adapting to jump high are an example of what relationship?
coevolution
300
What type of population growth has limiting factors?
logistic growth
300
If an endemic species's niche is replaced by an invasive species, what is the outcome for the species if it does not adapt?
extinction
300
The soil that contains frozen water found in the tundra is called....
permafrost
400
What step in the food chain is an herbivore?
primary consumer (2nd)
400
If 2 species are competing for the same niche, what are the 2 possible outcomes (vocabulary)?
competitive exclusion or resource partitioning
400
If the immigration of rabbits is 10 per year and the birth rate is 300 per year, how many rabbits die for the population to stay 200 rabbits? Assume no rabbits emigrate.
110 rabbits per year
400
Describe the difference between species richness and species evenness when assessing biodiversity.
Species richness refers to the number of different species. Species evenness takes into account how many of each type occupy the area (percent of community)
400
Give an example of a species with a type 3 survivorship curve.
oak, maple, frog, fish, insects, etc Most "babies" don't mature to reproduce.
500
When a top predator impacts the lower trophic levels, like the wolves of yellowstone.
trophic cascade
500
Name 2 Virginia species (be specific) that have a symbiotic relationship and the type of relationship.
trumpeting coral honey suckel and honey bee- mutalistic
kudzu and persimmon - competition
tape worms and coyote - parasitism
red fox and eastern cottontail - predation
etc.
500
What is the carrying capacity for the species shown?
about 100
500
What are the 3 steps to succession, and how does biodiversity change?
Pioneer species ----intermediate---climax community
Biodiversity increases
500
Name a species that has uniform dispersion.
corn (crop), white pine (Christmas tree farm), black walnut, Siberian tiger,