Ageneralized term for animal organs that produce sex cells is a gametangium antheridium testis gonad

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material