The theory of universal common descent argues that
question 2 options:
cells without a nucleus evolved long after the existence of cells that contain a nucleus.
all cells contain a nucleus.
all living things descended from a single ancestor.
all cells have nothing in common.

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service

How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?