Which two organisms are able to form a symbiotic relationship with each other A.
mussels and giant clams
B.
Chemosynthetic bacteria and tube worms
C.
tube worms and giant clams
D.
mussels and tube worms

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid

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.

What does natural resource management aim at ?