Which sources do scientists use to study the interior of Earth? Check all that apply.

Earth's orbit

core samples

O sea level

earthquakes

S waves

rock composition

Natural selection results in which of the following? a. adaptive change b. adaptive species c. adaptive evolution d. new species

Which of the following is a biotic factor? sunlight worms water climate

During the Ordovician period, it is believed that the sea levels dropped due to the movement of the continents. This event led to the extinction of over 50 percent of all life on earth. This event occurred about A) 5 billion years ago.

Pavlov's classical conditioning research contained an element of serendipity because Pavlov a. did not recognize the importance of what he found. b. discovered this learning process through intuition. c. intended to study stomach secretions. d.

If George (120 pounds) and Ron (130 pounds) ran up the steps in the same amount of time, which one had the most power?

If a diet does not provide adequate carbohydrate to meet immediate energy needs, the body compensates by altering its metabolism of other nutrients. insufficient dietary carbohydrate can lead to elevated levels of ketone bodies.

If an enzyme-mediated reaction were carried out at a temperature that was higher or lower than optimal, the vmax for the reaction would probably be

Which of the following is not a mechanism of microevolution? Group of answer choices migration (gene flow) natural selection speciation genetic drift

What weather factor is also a measurement of energy held within the air? Humidity Pressure Temperature Wind

What is the probability that, in an organism with a haploid number of 12, a sperm will be formed that contains all 12 chromosomes whose centromeres were derived from maternal homologs?