Answer: B ventral
Explanation: because ventral is the underside of a plant person animal etc.
Transgender is a broad category referring to anybody whose gender identity, the gender they psychologically feel like they are, doesn't match their assigned sex, the gender defined by their physical traits.
Cisgender and cissexual are the same thing. It is the opposite of transgender. While a transgender person disagrees with their assigned sex, a cisgender/cissexual person identifies as their assigned sex.
Answer: Pigeon and duck.
Explanation:
From that side of the tree, you can see that the pigeon and the duck are closest together in the tree than the other organisms in the other options.