topic h-j Flashcards
what is a habitat
the setting
what is population density
how many organisms are in a specific area
what are the different kinds of methods to count population members (3)
aerial photos
sampling small subset
mark recapture
what is a community
a group of interactive populations
what is a niche
the total of all the resources a species requires for its survival, growth and reproduction
what are the 4 water cycle atmospheric cycles
carbon cycle
nitrogen cycle
sedimentary cycles
phosphorus cycle
The habitat is one part of an organisms ____, which is the total of all the resources that a species requires for survival, growth, and reproduction
niche
Which is an example of an ecological community
bacteria
fungi
living in a human intestine
a example of commensalism
moss growing on the side of a tree
Birds follow cows, sometimes perching on their backs, to pick up insects stirred up by the grazing animals. How would you classify this?
commensalism
What best describes the flow of energy in the ecosystem
all energy flow of matter
In a forest community, fallen trees and dead animals take longer that normal to return nutrients to the ecosystem. This location has a low population of…
decomposers
More energy is available to consumers from organisms that are ______ in food chains
decomposers
If there are 60 Kcal of energy in the tertiary consumers trophic level how many Kcal would you expect to find in the primary produced level?
60,000
Chemicals that magnify as they move up in the food chain tend to be
fat soluble
