What percentage of the light energy that is absorbed by photosynthetic algae from the sun is available as food for herbivores in the oceans?

a. 60 percent

b. 2 percent

c. 25 percent

d. 15 percent

If air resistance is ignored, then according to the law of conservation of energy, the sum of potential energy and kinetic energy of a freely falling object

In the process of embryonic development, which stage comes first? A. Gastrula B. Blastocyst C. morula D. Blastocoel

C. elegans is a nematode that is an excellent model system to probe protein function during early development. Inactivation of the C. elegans lis-1 gene results in a defect in the position of nuclei in certain neuronal cells during development. a.

Macromolecules are also known as?

The largest scale of life, which can be thought of as the interaction of all of Earth's ecosystems, is called:

Over 100 years ago, microbiologist Paul Ehrlich talked about his concept of the ideal antibiotic as a "magic bullet" that could kill harmful bacteria but have minimal side effects for the infected person. How do antibiotics accomplish this goal?

The resting neuron contains Na on the inside or outside?

What telescope was the first to use many mirrors in a honeycomb pattern to avoid the difficulties associated with large mirrors? a. The Hubble telescope b. The Suzuki telescope c. The Keck telescope d. The Subaru telescope

What evolutionary development allowed plants to grow tall? see concept 29.3 (page 626) ?

What happens to a potassium atoms electrons when it becomes an ion?