Answer:
hydrogen bond
Explanation:
by weak electrical attraction between two polar molecule hydrogen bond is developed between them
the example is water molecule in case of water two water molecules are attracted toward each other by strong hydrogen bond which is developed between highly electronegative oxygen of one water and electropositive hydrogen of another water molecule
Answer:
B. the creation of gene families, which are genes that are similar across a range of organisms. C. offspring becoming increasingly different from their ancestors.
Explanation:
Explanation:
amphibians have smooth, sticky wet and highly porous skin to perform various functions.
reptiles have a dry, hard and scaly skin, which guards them in harsh conditions.
amphibians lay their eggs in water and cover them with gel.
reptiles lay their eggs on land and have a hard protective shell.
Traits that have 3 or more phenotypes may be the result of MULTIPLE alleles, I believe. Hope that helps!