The farming methods promoted by the california ricelands habitat partnership are best described as beneficial to both farmers and wetland species because
a.
migrating waterfowl use flooded rice paddies on their travel routes
b.
foraging birds eat leftover rice and trample the ground making tilling unnecessary
c.
farmers need migrating bird guano as fertilizer
d.
california’s wetlands are dwindling

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

Match the description of each organism to the appropriate category

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl