Which of the 3 factors affecting rate of photosynthesis would affect a plant a. In the desert
b. In the arctic circle
c. In the rainforest

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

Describe characteristics of a good respitory surface

Which type of mutation occurs in reproductive cells and can be passed to offspring? somatic mutation germline mutation point mutation frameshift mutation