Question 3 , 4 , 5 , 6 and 7
- 50 points ! and will mark u
need help ASAP !

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%

Support mangrove trees out of the water. a) pneumatophores b) prop roots c) sand dunes d) tide supports