Mendel crossed two plants that were heterozygous for the trait of flower color. Which genotypes could he have used to represent the cross? PP ´ PP
Pp ´ Pp
pp ´ pp
Pp ´ PPФωФ

Select the correct answer. in the image, if the washcloth represents consumed food, which organ of the digestive system correctly represents the action performed by the hands? hands squeezing water from a washcloth a. esophagus b. large intestine c. liver d. mouth

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

Define adaptation. why do organisms adapt? give an example.