Which statement about ecosystems is true?

A. Ecosystems are always a few square meters at most.

B. Ecosystems are exactly one square kilometer.

C. Ecosystems are always larger than a biome.

D. Ecosystems are always smaller than a biome.

The spiral ganglion cells of the inner ear are unipolar. a. True b. False

Graham met with an accident, where he damaged his retina. The doctor suggested that Graham lost his eyesight. The only possible solution would be retinal transplantation.

Some zooplankton belong to the kingdom Protista. Members of this kingdom are characterized as

According to the calendar, it has been about 14 days since the beginning of the last lunar cycle. Usually, the moon is bright white, but today a dark red moon hangs in the night sky. What are you witnessing? A. a northern light B. a solar eclipse C.

What type of molecules is used to store and release energy like a battery?

In the United States, mothers who live in poverty generally have babies with lower birthweight than those who do not live in poverty. The mean birthweight for babies born in the U. S. to mothers living in poverty is approximately 2800 grams.

Hypothesis on whether radiation has the same impact on coastal, forest, and desert areas

In a family is affected by a genetic disorder the son in the family has the same diseasebut the daughters do not have it

The "sphere" that includes all of the water in, on, or around the Earth is the A. biosphere. B. exosphere. C. geosphere. D. cryosphere. E. atmosphere. F. hydrosphere.

What is the arrangement of phospholipids in the plasma membrane