Remember for a di hybrid cross with two completely heterozygous parents, the phenotypic ratio will always be 9:3:3:1
9 will always display both dominant traits, black and rough hair. 3 will display black hair and smooth hair and 3 will display not black hair and rough hair and 1 will display both receive traits
Flatworm get most of their oxygen through diffusion.
The answer is C because, Ecoregions cover relatively large areas of land or water, and contain characteristic, geographically distinct assemblages of natural communities and species.
Explanation:
abrasion, pressure release, thermal expansion and contraction and crystal growth.
The answer is C. This is because the other choices involve experiences
(most during childhood a significant phase in humans
development) that are environmental factors that impact on the human personality.
In choice C, there is little development since its adulthood phase and on the other hand, refusing to display warmth and emotion is
not an experience.
