Which characteristic is shared by all arthropods?

A jointed legs

B gills

C endoskeleton

D calcified hard shell

5. The similarity in homologous structures between different species is evidence that they share a common ancestor. b. are members of the same genus. c. use the similar structures in the same way. d. evolved from each other.

Which statement about lightning is true? a. It is one of the most dangerous parts of a thunderstorm. b. It is an electric discharge between two similarly charged surfaces. c. It is caused by the rapid expansion of air along an electrical strike. d.

Is 21 days enough time to view all the phases of the Moon? Explain.

qual é o bioma brasileiro com casca grossa e galhos retorcidos, localizado principalmente na região centro-oeste?

Carbon dioxide cannot diffuse into the blood from an animal cells unless the blood has a blank concentration of carbon dioxide

Describe how scientists use mathematics in their work.

You are preparing a medium for growing fastidious bacteria and must add several heat-labile solutions of growth factors. Which of the following is an appropriate strategy for preparing and sterilizing this medium? a. Pasteurize the medium. b.

What does Earth's rotation on its axis cause? A the tides B night and day C passing of years D phases of the moon

What are two things that a leaf does for a plant

The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroups-Lophotrochozoa and Ecdysozoa. What does this finding suggest?