Sponges have

A. a coelom.

B. tentacles.

C. specialized cells.

D. bilateral symmetry

At which location is the concentration of sunlight the greatest?

Wooly mammoths became extinct thousands of years ago while other species of mammals that existed at that time still exist today. These other species of mammals most likely exist today because unlike the mammoths they

Can humidity exist in freezing temperatures

What is different between a grasshoper's Sheleon and yours

The fins of lobe-finned fish are supported by extensions of the skeleton and are moved by muscles within the fin whereas the fins of ray-finned fish are supported by flexible, non skeletal elements and are moved by muscles from within the fish's

Analysis of the term chondralgia, which means painful cartilage, reveals the presence of which word parts?

Your muscles require energy to move yur body, just as you cells require energy to grow. what chemical directly supllies your muscles/cells with energy?

Millie was nutritionally deprived during early childhood, resulting in skeletal growth stunting. after she was adopted she ate a diet rich in vitamins and minerals and engaged in regular, age-appropriate exercise.

What adaptation leave posses for maximum absorption of light

A mutation may be passed along to human offspring through what