What do chordates have that makes them different?

A. no body cavities

B. a notochord

C. under-developed organ systems

Which of the following occurs when substances undergo chemical changes? Bonds between atoms are broken and new bonds are formed. Atoms change from one element into another element. Old atoms are destroyed and new atoms are created.

Why does the reporter have a tube up his nose? why does the reporter have a tube up his nose? to replace the salts and other ions lost during the test to recycle the water he loses during the test to accurately measure core temperature as a feeding

How long does it take for amiodarone to cause pulminary fibrosis?

Which substance in the atmosphere increased in abundance as the result of photosynthetic cyanobacteria

How does the oil from the liver provide limited buoyancy in the absence of a swim bladder

What are the three main components of biodiversity? a. Species diversity, species productivity, and species stability b. Genetic diversity, species abundance, and species evenness c. Species richness, species abundance, and species evenness d.

How can droughts lead to poverty and conflicts? Explain.

What would happen if you kept accelerating?

What are the symptoms of mumps

What is the difference between a specific and a nonspecific defense?