A population of insects consumes plants containing 350 j of energy and excretes 180 j in its feces. if 150 j of energy are used for respiration, what is the production efficiency for these insects?

Farmer Brown is planting crops in his fields. He wants to prevent the topsoil from being blown away by the wind or washed away by water.

Select the correct answer. Which living organism processes nitrogen in the atmosphere and makes it available to other living forms in a usable form A. bacteria B. plants C. humans D. animals

Microevolution is the observable change in the allele frequencies of a species. true or false

Asexual reproduction results in genetically daughters cells is different or identical?

In bacteria, the antibiotic chloramphenicol prevents amino acids from bonding. The MOST likely reason that bacteria die from treatment with chloramphenicol is because the antibiotic

The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining ... question 3 options:

The colors on the map above show the locations of the major tectonic plates that make up the Earth's crust. Which city on the map is most likely to experience a major earthquake?

Explain how the use of a chemical designed to kill grasshoppers could reduce the population of peregrine falcons.

The movement of water is able to transport minerals and nutrients. Which statement best explains why water is able to do this? A. Water is an excellent solvent. B. Water absorbs heat energy. C. Water has a density of one gram per milliliter. D.

Maintains a constant body temperature even when external temperature changes external temperature sets the internal temperature internal temperature constantly changes A. endotherm B. ectotherm C. poikilotherm