How long were simple microsocpic organisms the only life forms on earth?

Individuals can influence their health by controlling their genetic traits. true or false?

About 800 ash trees live in a tract of conservation land. Which of these events would have the least effect on the land's carrying capacity for ash trees? A. Maple trees are introduced to the land, where they grow well. B.

Secondary pollutants are more harmful than primary pollutants.

if the percent concentration is greater in the fluid outside a cell than inside a cell, how will the water flow

Which part of an amino acid has the greatest impact of the overall structure of a protein? A. the amino groupB. the R groupC. the carboxyl groupD. both A and C

All genes are located in the cytoplasm of cells. * True False

Whitch way does water move once it passes through the zone of saturation

True or false? laboratory technicians are considered to be allied healthcare professionals.

What is the primary function of the anthers shown on the lily flower? A) produce seeds B) release seeds C) receive pollen D) release pollen

When a cell undergoes mitosis, what is the result?