How do sensory receptors convey the strength of a stimulus?
a. they fire a stronger action potential
b. they fire a weaker action potential
c. they fire more frequent action potentials
d. they fire multiple neurons at the same time.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Dna replication occurs in preparation for

Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax