D) traits that make them more successful in the enviorment
B. I, II, III
Mollusks have 3-chambered heat. They have gills and they have 1-way digestion.
Other characteristics of mollusks are:
1) Bilaterally symmetrical
2) Body has more than two cell layers, tissues and organs
3) body without cavity
4) body monomeric and highly variable in form, may possess a dorsal or lateral shells of protein and calcarous spicules.
5) has a nervous system with a circum-oesophagal ring, ganglia and paired nerve chords
6) has an open circulatory system with heart and aorta
7) has a pair of kidneys
8) reproduction normally sexual and gonochoristic
9) feed a wide range of material
10) live in most environment
Answer:
The NBTs focus on academic readiness for university study. Each test requires you to apply prior learning - what you know and are able to do - to materials that reflect expectations for first year students in university programme
dont tell me why but, what does diatoms have to see with petroleum? well, i think is "e" cause it has almost no relationship according to my thoughts