Examples of prokaryotic cells include:
<span>bacteria
<span>algae</span></span>
Answer:
B I think
Explanation:
there are 2 directions and in each direction there are 2 working in it
Answer:
Explanation:
Ammonia is associated with aquatic animals; urea is associated with most terrestrial and semiterrestrial vertebrates, but rarely land invertebrates (Campbell et al., 1972); and uric acid is the major product of terrestrial invertebrates, birds and reptiles (Prosser & Brown, 1961).
