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Poop Loop Lab (Ecology (Salmon (poop loop (salmon carcass (scavengers feed…

- - - - Lightning
        
        Rain
        
        soil
        
        nitrate (NO3-)
        
        nitrogen gas
        
        Brings the nitrogen to the ground
        
        Converts dinitrogen(N2) into water soluble forms of nitrogen
  - - - salmon carcass
        
        scavengers feed on salmon
        
        scavenger's feces is deposited in the forest
        
        scavengers haul the salmon carcus into the forest
        
        nutrients enter the soil and plants
        
        herbivores consume the plants
      - The poop loop is a way to get nutrients like nitrogen into the plants and animals
  - - - alevins
        
        fry
        
        parr
        
        smolt
        
        adult
        
        return upstream
        
        1 more item...
- - - - The process of a seed becoming a plant
      - Legumes
        
        example: chick peas
    - - Plant
      - roots
      - stems
    - - moisture, sunlight, warmth, moisture, good quality seed, nutrient rich soil
    - - embryo
      - seed coat
  - - - male and female go upstream to lay eggs
        
        female lays eggs
        
        Die
        
        male fertilizes the egg
    - - Sexual
        
        2 parents combine their DNA to make the offspring
        
        Example: salmon
        
        seeds, eggs and babies are some of the results of sexual reproduction
        
        Pros
        
        Genetic diversity
        
        able to adapt
        
        Cons
        
        energy is required to find a mate
        
        Plants use sexual reproduction
      - Asexual
        
        Asexual reproduction is when a genetic clone is created
        
        Example: starfish
        
        Pros
        
        fast and efficient reproduction
        
        no energy is needed to search for a mate
        
        population can rapidly increase
        
        Cons
        
        No diversity
        
        cant adapt to surrondings
        
        can easily be wiped out by disease and predators
- - - - Nitrogen/phosphorus/potassium
  - - - Ammnonium (NH4+) to Nitrite (NO2-) to Nitrate (NO3-)
        
        bacteria that is responsible for nitrogen fixation in the soil
    - - bacteria that converts nitrogen gas to a form that is usable for plants
        
        Rhizobia is a prime example of a nitrogen fixing bacteria