Mating behavior in mice is stimulated by pheromones. The ability to smell the scent is important for mating. Catherine Dulac conducted an experiment with mice without pheromone receptors and mice with pheromone receptors. A male mouse without the pheromone receptor pursued and attempted to mate with both male and female mice. Which two organ systems are most involved in producing physiological changes leading to appropriate mating behavior of the mice?

Multiple choice question.

A)
nervous and digestive

B)
digestive and urinary

C)
nervous and reproductive

D)
nervous and endocrine

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

Cells destroy body cells infected by a virus or bacteria.

Where does the information about where each transcription factor binds originate?