Macroinvertebrates Flashcards
What is voltinism?
Refers to the number of times a species completes a life cycle in a year.
What is hemimetabolous?
1 stage of life resembles adult, just smaller
What is holometabulous?
early life stage begins as larvae->pupa->adult
Adult and larva stage utilize different habitat
What are the functional feeding groups among aquatic invertebrates?
Scrapers, grazers, shredders, predators, collectors
What ecological processes are influenced by macros?
Integral to food webs, main fish diet, transfer of nutrients from benthos to water column, create of substrate, vital to decomposition, control primary production
What is secondary production?
Summation of consumer biomass produced over a given period,
What ranges of mode do macros utilize?
Downstream drift active or passive usually at night to avoid predation, upstream, hyporheic zone, aerial
How are macros related to water quality?
They have varying levels of tolerance to pollutants.