Question 1

Which statement best describes evolution?

Species have changed over time.

Traits acquired during a lifetime are passed to offspring.

Earth's organisms have not changed over time.

All of Earth's organisms were formed at the same time.

The parents of a child with cystic fibrosis ask the nurse to explain the sweat test performed on their newborn. how should the nurse respond?

Raccoons and red pandas have more similar DNA sequences than red pandas and giant pandas do what does this tell scientists

What human activity would have the most significant effect on the temperature of the earth? A) deforestation B) producing smog C) producing CFCs D) burning fossil fuels

What is the slope of the line through (-2,-6) and (2,2) ?

The weight of an object is related to its temperature pull of gravity density composition

Determine whether the description corresponds to an observational study or an experiment. research is conducted to determine if there is a relation between height and childhoodresearch is conducted to determine if there is a relation between height

A class of drugs that inhibits the growth of bacteria without harming the host is known as a. antibiotics. b. antivirals. c. antifungals. d. hmg coa reductase inhibitors

List and explain the steps of protein synthesis

Explain how the Che molecules allow a bacterium to move towards or away from a chemical source

Which characteristic of life relies on the sun? adaptation using energy cell structure reproduction?