Choose all the answers that apply. Matter in an ecosystem: must be continuously replenished is part of a closed system is recycled and reused is returned to the earth by decomposers is always decreasing

A scientist is analyzing tissue samples from an Asian elephant and an extinct woolly mammoth. When he sequences their DNA, he finds the genetic information of these animals to be about 99% identical, but not exactly the same.

Sustainable farming A. uses fewer chemicals but more water than conventional methods. B. is safe, although it causes weed problems. C. is an invention of modern agricultural research. D. is cheaper and safer than conventional farming. E.

What study of what structure was important for the modern cell theory

Which describes a common characteristic of animal-like and plant-like protists? Both can be unicellular. Both can be heterotrophic. Both reproduce only asexually. Both have glass-like cell walls.

How many types of mrna are transcribed from the lac operon?

Identify the correct statements concerning inorganic molecules: (check all possibilities) Water is an ionic molecule Water is the common solvent of the body Water is a polar, covalent molecule The high heat capacity of water relates to its ability

The protist kingdom is sometimes called the kingdom of misfits, why might this be a true statement

Cross communication is

How does oxidation weather rocks?

In an asexually reproducing organism it is expected that the offspring will be genetically identical to the parent. However, in one particular event of asexual reproduction the offspring was found to be differing from the parent.