what organisms are always at the bottom of the ecological pyramid?
producers (plants)
A bee gets pollen from a flower, in return that flower gets its pollen spread for reproduction. what type of relationship is this?
mutualism
what is the ecological pyramid?
a pyramid that shows the different trophic levels
what do decomposers do with the dead material they break down?
return it to the soil for plants to use
what is a heterotroph?
an organism that has to get its energy from other organisms
a producer is also called a ?
autotroph
a pack of lions gather around a wilder beast, they quickly take down the wilder beast by the legs. what type of relationship is this?
predation
whats the smallest living thing of life?
the cell
what is a decomposer?
an organism that breaks down dead matter
I am an organism that only eats plants
herbivore
what does biotic mean?
living
A symbiotic relationship in which one organism benefits and the other is harmed?
parasitism
what do you need to be considered an organism?
alive, able to reproduce, respond to stimuli, grow, maintain homeostasis
who are the decomposers?
fungi and bacteria
I only eat other animals
carnivore
what is the 10 percent rule between the trophic levels?
only 10 percent of the energy is transferred between each level
ephiphytes are plants that grow on other plants to reach more sunlight. The plants it grows on are not affected. What type of relationship is this
commensalism
what does it mean to be a producer?
you can perform photosynthesis
what is a detritivore?
an organism that only eats dead matter ( doesnt break it down)
a rabbit and grass hopper obtain their energy from the same grass. which type of relationship is this?
competition
what do the arrows in a food web represent?
the energy being transferred
The saprotrophic fungus behind ringworm. The fungus, once attached to the skin, grows haustoria into the skin and into the tissues of the foot; dissolving them with its digestive enzymes.
what is the relationship?
parasitism
are all producers plants?
no
what would earth worms, snails, millipedes, and pill bugs be considered?
detritivores
I only eat herbivores
primary consumers