What does a branch point in a phylogenetic tree represent?
What will be an ideal response?
when a single lineage split into a distinct new one.
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All of the following are abiotic factors within an ecosystem except ________.
A. fire B. nutrients C. energy D. All of the above are abiotic factors.
Which of the following fungi/phylum associations is incorrect?
A. morel mushroom / Ascomycota B. cup fungus / Glomeromycota C. Chytriomyces / Chytridiomycota D. button mushrooms / Basidiomycota E. black bread mold / Zygomycota
It has been said about global warming that "one human in a developed country is not equivalent to one person in a developing country." What does this statement mean?
What will be an ideal response?
If an Rh-positive woman marries an Rh-negative man, their children are at risk for hemolytic disease of the newborn
Indicate whether the statement is true or false