tertiary
describe the relationship between producers and primary consumers
primary consumers eat producers for energy
an organism that produces its own nutrients
how many trophic levels are there?
five!!! producers, primary consumers, secondary consumers, tertiary consumers.
describe how grazers in the prairies help nesting birds.
are decomposers heterotrophs or autotrophs
heterotrophs
coyotes
absence of sea otters resulted in this underwater habitat dwindling
kelp forests
a tertiary consumer, that primarily lives up north, and prefers to eat hooved mammals
wolves
in an ecosystem, there is usually a lower population of animals in this trophic level
tertiary
how does fungi help consumers?
produces enzymes that break down cellulose, into smaller nutrients, feeding invertebrates
aquatic autotroph which is not a plant
phytoplankton
three main chemicals decomposers convert animal matter into
phosphorus, nitrogen, potassium.
why did many of yellow stones marshes turn into streams after the extermination wolves in the park?
a lack of wolves caused elk populations to increase, causing an over consumption of the plants and trees needed for beavers housing and food
unique biological traits of herbivores
multi chambered stomach, flat teeth.