What are two tools that can be used to measure wind direction?

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Explain the significance of the increased cell specialization of the volvocine line