A form of natural selection favoring the spread of alleles that promote behaviors that help close relatives is called ____ selection
Fill in the blank with the appropriate word.
kin
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In septate fungi, what structures allow cytoplasmic streaming to distribute needed nutrients, synthesized compounds, and organelles throughout the hyphae?
A) multiple chitinous layers in cross-walls B) pores in septa C) complex microtubular cytoskeletons D) two nuclei E) tight junctions that form in cross-walls between cells
The portion of the electromagnetic spectrum between the 21-cm line of neutral hydrogen and the 18-cm line of OH is known as the ____________
Fill in the blank(s) with correct word
Which specialized stem structure does not store nutrients?
a. bulbs b. corms c. tubers d. rhizomes e. stolons
Movement of molecules down their concentration gradient can drive the movement of a different molecule against its concentration gradient.
Answer the following statement true (T) or false (F)