The number of trophic levels in an ecological energy pyramid

a. is limited by the amount of energy lost at each trophic level

b. is impossible to figure out

c. is limitless

d. never exceeds three

In Drosophila, the allele red eyes (b) is dominant to the allele for brown eyes (bw). At another gene locus on the same chromosome, the allele for thin wing veins (hv) is dominant to the allele for heavy wing veins (hv).

A rhythmic disturbance that carries energy through matter or space

Which are necessary capital investments for starting a free-range poultry farm?

During a 30-year period, a severe drought occurred in three separate years. According to this information, what is the yearly frequency of drought? apex

Which is a cause of wind? solar eruptions an uneven heating of the atmosphere a sunny weather pattern followed by a cloudy weather pattern rainy weather

What photosynthesis byproduct product is formed in the light reactions?

What is the process by which dna is transmitted to offspring

From which substance are antibiotics usually derived? a. amino acids b. bacteria c. nucleic acids d. proteins

What evidence is there that Earth rotates on its axis much faster than it revolves around the sun? Choose the two correct answers. A. The length of a shadow is shortest around noon. B.

What are the main organs of the respiratory system?