An example of a r-selected species would be A) humans

C) cats

E) rodents

B) sharks

D) cagles

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Which state of matter has the following physical properties: ~ takes the shape of the container it is in ~ takes the volume of the container it is in ~ low density. answer is gas

Ruby is conducting an investigation. an advantage of her design is that she can use a large range of variables, with that she can not be sure that one variable is the cause of another. what kind of investigation is ruby most likely conducting?