Science depends on testing and retesting. Does Kathy's experiment prove that hand sanitizer is more effective than soap? How could the experiment be improved to make a stronger scientific argument? Explain your answer.

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants

Thyroid-stimulating hormone stimulates the thyroid gland to secrete sex hormones. true or false