Response to sign stimuli, or releasers, is generally based upon which of the following?

Which of the following typically characterizes a tropical rainforests

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele

What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?