Tree rings vary in width from year to year, depending on the growing conditions. Which size rings, wide or narrow, do you think would indicate poor growing conditions?

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

Explain the significance of the increased cell specialization of the volvocine line

Which of the following statements about protists are true? a.they are typically found in moist environments. b.they are all unicellular. c.they have a nucleus. d.they are all multicellular.