Which of the following options correctly describes the behavior of a tetrad during anaphase 1 of meiosis? a) it splits into four chromosomes, which distribute in sister-chromosome pairs to the two poles of the dividing cell. b) it goes intact to one pole of the dividing cell. c) it splits into two pairs of sister chromatid, and one pair goes to each pole of the dividing cell. d) it splits into four chromosomes, which distribute in random pairs to the two poles of the dividing cell. e) it splits into two pairs of homologous, nonsister chromatids, and one pair goes to each pole of the dividing.

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

What noticeable trend from this graph might be used to make a conclusion?

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry