The average distance across an ocean is 16,000 km. Two continents on either side of the ocean are con-verging at a rate of 10 cm/year. How long will it take for them to collide?

What information is coded in the complex molecule?

In the case of biological magnification, organisms that are higher on the food chain have proportionally higher concentrations of the substance than do organisms that are lower on the food chain.

Plant species X lives in a hot, dry environment. Slowly, over hundreds of years, the climate becomes wetter. Fungi attack species X and cause the population of species X to decrease.

Which type of fossil is bone or tooth that have been covered by layers of sediment and preserved into stone. Body Fossil Mold Fossil Resin Fossil Trace Fossil

By studying fossils, scientists have learned that neither animals nor plants have changed over time. both animals and plants have changed over time. animals have changed over time, but plants have not.

Which of the following is not an example of predation? a. A blue whale feeding on zooplankton b. A tree obtaining nutrients from the soil c. A caterpillar eating the leaves of a treed. A wolf eating a deer

How might stem cell research change the future of organ transplantation? A. Stem cells could be designed to duplicate the patient's immune system, making immunosuppressant drugs unnecessary. B.

All but one is a function of the cell wall

How are folded mountain and volcano alike

How would one explain a testcross involving F1 dihybrid flies in which more parental-type offspring than recombinant-type offspring are produced? a. Both of the characters are controlled by more than one gene. b.