What is the approximate age of our solar system?
a. 4.6 trillion years
b. 4.6 billion years
c. 4.6 million years
d. 4,600 years

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Wich organism obtains its energy from dead or decaying matter

Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the carry sticks based on the category they describe