Describe an ecosystem and identify the different trophic levels.

he Gram stain, acid-fast stain, and endospore stain a. are used on a wet mount of the specimen. b. use heat to force the dye into cell structures. c. have outcomes based on cell wall differences. d. use a negative stain technique. e.

Which of the following statements is NOT true about metabolism? a. Basal metabolism is the amount of energy needed for sustaining life. b. Basal metabolism is measured by the amount of calories burned when your body is inactive. c.

Which is a part of interphase

We do this quickly because our psychological immune systems have

Explain why some people's leg muscles tired quickly and developed cramp when they were running

Will aluminum gain or lose electron and why?

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.