A gecko is a type of reptile. How does a gecko most likely respond to cold air temperatures? A. by shivering, which is in response to an internal stimulus

B. by shivering, which is in response to an external stimulus

C. by moving into the sun, which is in response to an internal stimulus

D. by moving into the sun, which is in response to an external stimulus

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

In which part of the body is a ball-and-socket joint found?