Hi stuck on a few in this one.15a a giant extinct deer (5 3)?r??? elk
19a incidences of cold weather (6) ???s??
27a member of a primitive community (9) t?????m??
16d long narrow strips of ribbon or paper (9) ????a???s
20d flexible, bouncy (6) ??r???y
25d seaside feature is noble we hear (4) ???r