What tool is most accurate measurement of time in a laboratory experiment involving sprinting times of students

You and a friend are out hiking a mountain trail on a beautiful spring day. Your friend's hiking stick hits the side of a rock. The rock splits open to reveal the fossil of a fish.

Which of the following is not a piece of molecular evidence supporting the endosymbiotic theory?. A. Some organelles divide by fission just like bacteria. b. The mitochondria and chloroplasts are much different in structure than bacteria. c.

What caused the earth to develop layers as it cooled?

Explain the role of co-dominant alleles in human ABO blood groups.

Which statement concerning sexual reproduction is correct? (1) It is not necessary in order for the individual to survive. (2) The offspring are identical to the parent. (3) It is necessary in order for the individual to survive.

You're conducting a science experiment and notice that fruit flies with rounded wings produced more offspring. What does this suggest about rounded wings?

What is the word that describes the path of the sun, moon, and zodiac as they "move" across the sky? Question 1 options: Ecliptic Rotation Cardinal direction

How does the uterus prepare itself to receive a fertilized egg?

A Hertzsprung-Russell diagram is provided. In comparison to the Sun, which of the following best describes Betelgeuse? Group of answer choices Smaller in diameter Cooler and brighter Brighter and hotter Less bright, but hotter

Which cell should be classified as prokaryotic?