Which of the following traits make a good index fossil?

A) Small geographic range

B) Short-lived as a species

C) Large body size

D) Were plants instead of animals

How are Active and Passive Transport similar? How are they different?

Which is a synonym for genetic engineering? O DNA fingerprinting O recombinant DNA technology O biotechnology O restriction enzyme technology

Hormones are chemical molecules produced by endocrine glands. One such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles.

Information is carried from the central nervous system to the body's tissues by

What have scientists learned from studying seismic waves that travel through earths interior? A) Seafloor spreading is the result of earthquakes that can occur at quite a distance.

What creates the bond between the sodium and chlorine ions

Hag fish have a mostly cartilaginous skeleton. How do they get enough force to tear flesh from the grey whale carcass?

Are viruses alive? Support your answer using at least five of the emergent properties of life. Your answer should include the property of life, how a virus satisfies or does not satisfy that property (for each of the five properties), and your

3 benifits of gene sequencing

How do blood clots affect the nervous system