Answer:
It keeps saying ionic bond for the first one
Explanation:
Answer:
a. Multiple gene duplication events have led to the production of a paralogous multigene family.
Explanation:
A globin gene family consists of several clusters of related genes formed by duplication of an ancestral gene. The different variants of venom proteins coded by closely related genes can reply this ancestral gene, forming this way a globin gene family in Cone snails.
C. their magnetic domains are arranged randomly
In magnetized materials, all or most of the magnetic domains are arranged in the same direction
During his expedition upon the HMS beagle at the Galapagos Islands, he came up with the idea of survival of the fittest and evolution named Darwinism.
So, the best choice is
Do living organisms change over time and, if so, how?
B. animals
Plants have cell walls, bacteria are unicellular and fungi have cell walls too