The following sequence of organisms represents all of the following except trees ® insects ® spiders ® frogs ® fish ® human
A. a food chain.
B. a food web.
C. the flow of energy through the community.
D. the flow of nutrients through the community.
B. a food web.
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Examine the flux diagrams in Figure 25.6 to address the following questions
Based on these calculations, burning fossil fuels results in [smaller / larger] inputs of atmospheric carbon than the net exchange of atmospheric carbon resulting from natural biological processes. What will be an ideal response?
The breakdown of antipodals
A. is a normal part of development in the ovule. B. would result in a seed without a seed coat. C. would produce an ovule with no egg cell. D. would cause a failure in endosperm development.
A coefficient of coincidence of zero is the same as an interference value of zero
Indicate whether the statement is true or false
Lichens are most typically formed by the symbiotic association of an alga or cyanobacterium and a(n):
a. zygomycete. b. ascomycete. c. basidiomycete. d. glomeromycete.
e. chytridiomycete.