Sponges (phylum: porifera) are animals that possess feeding cells called collar cells. these cells have a central flagellum surrounded by a collar of microvilli. the collar filters organic matter out of the water column. which protist shares a more recent common ancestor with the poriferans? question 4 options: a. rhodophyta b. choanoflagellates c. myxomycota d. radiolarians e. ciliates save

What effect does plate tectonics have an organic evolution

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Plz ! ive been stuck on this forever