Which of the following describes how plant and animals each contribute to the survival of the other in a cooperative interdependence? a. animals supply O2 to plants and plants supply CO2 to animals
b. animals supply CO2 to plants and plants supply CO2 to animals
c. animals supply O2 to plants and plants supply H2O to animals
d. animals supply CO2 to plants and plants supply O2 to animals

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs