A substance that enters Earth's cycles and does harm to living things is

A. a pollutant.

B. freshwater.

C. hydrogen.

D. oxygen.

Which of the following best describes the term Z line A) largely made of myosin molecules B) protein that accounts for elasticity of resting muscles C) thin filaments are anchored here D) repeating unit of striated myofibrils E) storage site for

When mendel crossed pure tall pea plants with pure short pea plants all of the offspring plants were?

The lion-tailed macaque is a species of Old World monkey. Which of the following will the lion-tailed macaque reproduce with? A. other lion-tailed macaques B. other macaques C. any Old World monkeys D. any monkey species

California's San Andreas earthquake fault is what kind of plate tectonic boundary? A magma fault boundary Convergent plate boundary Transform fault boundary Divergent plate boundary

Compare the amounts of atp generated in cellular respiration and fermentation

Describe some of the limitations of science

Which class of biologically important molecules are steroids related to? nucleic acids proteins lipids Carbohydrates

The golgi apparatus (dictyosome) plays a major role in what cellular pathway?

What is the flotation method used to determine? Mass Density Volume Color

Fossil records suggest major changes in early vascular plants that favored the evolution of land plants. Which was one of these major changes? Select one of the options below as your answer: A. Development of fruit B. Development of seed C.