What do the cells of a Streptococcus bacterium and a dog have in common? A. chloroplasts

B. nucleus

C. mitochondria

D. ribosomes

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Which of the following is a testable hypotheses?

What are the pros and cons of transect sampling?