Arwa drew a diagram to compare sea stars and sea cucumbers.

Which label belongs in the area marked X?

have moveable spines

live in the ocean

have an endoskeleton

can push stomach outside of mouth

What are the chances that their offspring will have sickle cells anemia

What must match in order for transcription to work

Why does dna replication take place at many places on the molecule simultaneously?

Some scientists claim that humans are responsible for the increase of CO2 in the atmosphere. Evaluate which system the increased CO2 levels are likely to affect, and predict the effects of increasing atmospheric CO2 on natural and agricultural

Place the following steps of the dna extraction and pcr process in the correct order. not all labels will be used.

Look at this definition: the inability to start a pregnancy after having unprotected vaginal intercourse for more than a year or the inability to stay pregnant for the full length of a normal pregnancy Which term does it define?

What relationship best applies between the pompeii worms and the bacteria?

What is the energy released during respiration used for?

How does the precision of measurements affect the precision of scientific calculations?

What are gametes??