Which of the following is not an abiotic limiting factor?

temperature

water

soil type

organisms

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

A(n) is a molecule influences the way that a molecule reacts.

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures