What percentage of a lower trophic level's energy flows to the next higher trophic level? a. 1% b. 10% c. 50% d. 100%

Which of the following has become today's major cause of mass extinction? A. Adaptive radiation B. Human activities C. Addition of new species

What event coincides with the transition from the proliferative phase to the secretory phase?

If you start with a cell in meiosis that has 20 chromosomes, how many daughter cells will you have and how many chromosomes will each daughter cell have?

The ribosome of a cell, is most responsible for what function? a. production of ATP b. storage of materials c. manufacture of proteins d. direction of all cellular activities

If the environment changes, what must a species do to survive?

What is likely to happen if you only offer generic attributes and qualities as examples of your qualification for a position?

When organisms convert forms of energy what usually results

The transmission electron microscope is most useful for Looking at surface details of a virus Viewing a cell's mitochondria Seeing animal tissue that is visible to the naked eye Studying the structures of a live paramecium I think it might be the

The average distance between the center of the Earth and the center of its moon is 3.84 x 108 m. The mass of the earth is 5.97x1024kg. What is the orbital speed and period of Earth's moon? V, - 1.02 x 10 m/s V, = 3.26 x 10ʻm/s T = 2.37 x 10° s = 27.

How was the present day theory of evolution developed?