What is a polar vortex? *
A) The atmospheric effect of everyone in a region opening their freezers at once
B) A constant ice storm that only affects certain regions
C) Low-pressure zones at each pole of the earth

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

If a young male's body is just beginning the process of producing sperm, when is it likely that he would ejaculate mature, viable sperm"