species composition is used to describe the amount of each species in an area has while species diversity is used to describe the number of species found in an area. True or false.

2) A segment of DNA that is artificially created from two or more organisms, through use of DNA enzymes in a laboratory is called A) a clone. B) a vector. C) plasmid DNA. D) recombinant DNA.

African lungfish, which are often found in small, stagnant pools of fresh water, produce urea as a nitrogenous waste. What is the advantage of this adaptation? a) urea takes less energy to synthesize than ammonia.

Antidumping actions seem to be concentrated in certain sectors of the economy such as basic metal industries (e. g., aluminum and steel), chemicals, plastics, and machinery and electrical equipment. True or False True False

Proteins that speed up chemical reactions without being used up or destroyed in the process are called a. amino acids b. enzymes c. oxidative cells d. antibodies

What is the main function of the excretory system?

Why is the location of chloroplasts in a leaf important?

Prenatal medical procedure in which high frequency sound waves are directed into a pregnant woman's abdomen

This nutrient is needed for proper growth and development and functions to repair and replace body cells.

species composition is used to describe the amount of each species in an area has while species diversity is used to describe the number of species found in an area. True or false.

Sometimes, samples can be placed directly under a microscope. At other times, it is necessary to add water to the slide and make a wet mount. The steps for preparing a wet mount are shown below.