The production of numerous small offspring followed by exponential population growth is the defining characteristic of r-selected<span> species. They require short gestation periods, mature quickly (and thus require little or no parental care), and possess short life span</span>
Im pretty sure the answer is B
Answer:
Yes.
Explanation:
Yes, a new research indicates that dogs might use a magnetic sense to navigate. Dogs has world class nose which helps them to navigate to their destination but it also has a magnetic compass that helps them in navigation. The dogs use magnetic field of the earth to find out shortcut ways in the unknown land or terrain so the hypothesis is right that dogs used magnetic sense for navigation.
The answer is a. I learned about this in psychology.
Parasitic Flatworms do not have a digestive system because they do not need to digest there food. They just suck in nutrients already digested by the host they are in.
