Many food chains connecting with many paths for the flow of energy is also known as a

A food web

B ecosystem

C environment

D population

In earlier times, animals were put on trial for crimes. true false

The nurse attends to a patient who sustained injuries when crossing the street. the patient was hit by a car that failed to stop at a stop sign. the patient was rushed to the emergency department and then to surgery to repair injuries.

Which process involving DNA creates a DNA pattern or "fingerprint" unique to an individual person? A) DNA ploymerase B) PCR C) gel electrophoresis D) bacterial plasmid cloning

What happens during the depolarization phase of nerve cells? a. The cell membrane decreases its permeability to sodium. b. A rapid change in polarity to one that is positive on the inside, and the membrane becomes open to sodium ions. c.

A patient is 8 months pregnant. She calls her her obstetrician because of vaginal bleeding. It is "spotting" rather than heavy bleeding and there is no pain.

What defines whether or not organisms belong to the same species?

In some proteins, the side chain of serine appears to undergo ionization. explain why ionization would be facilitated by the presence of an aspartate residue nearby.

Define and explain the term scientific theory

The table below shows the number of the sub-atomic particles in an atom of nitrogen. Sub-atomic Particles Sub-atomic Particle Number Protons 7 Neutrons 7 Electrons 7 What is the amu of a nitrogen atom?

The ions in a compound form and orderly three-dimensional arrangement called a molecule. true or false