Trophic Levels
What is the bottom part of the trophic level called?
1st trophic level
What process is the foundation of the food web?
Photosynthesis
Is there more or less energy at the top of the ecosystem pyramid?
less energy
Scavengers
Secondary consumer
what are organisms on the 3rd trophic level called?
secondary consumers
What's the progression of a food chain? List the three in order.
Producer, Herbivore, Carnivore
Which organisms are producers, consumers, and decomposers?
Producers (like plants and algae)
Consumers (animals) eat other organisms.
Decomposers (fungi and bacteria)
What consumer is known as a herbivore that eats plants
Primary Consumer
What trophic level are primary consumers on?
trophic level 2
Which population is most likely to increase if the number of grasshoppers decreases?
plants
How much energy is transfered from one Trophic level to the next?
10%
How do different species in an ecosystem depend on each other?
Species depend on each other through food, shelter, and reproduction.
What organism can make its own food instead of eating other organisms?
Autotroph
what trophic level are carnivores and omnivores on?
Trophic level 4
Energy
If the lowest levels have 1000J, how many J are available at the second level?
100J
What would happen if one key species disappeared?
it could disrupt the entire ecosystem-populations may become unbalanced
What consumer is a predator that eats other predators and is an organism that eats secondary consumers.
Tertiary Consumer
what two trophic levels eat both snakes and larger organisms?
Trophic level 3 and Trophic level 4
What organism is typically at the bottom of the food web/food chain?
Plant
What organisms break down waste and dead organisms?
Decomposers
How do humans affect ecosystems?
pollution, habitat destruction, and climate change, which harm organisms
Herbivore, Carnivore, Omnivore