Which characteristics do scientists use to group species?

common name and popularity

age and date of discovery

health and reproductive success

ancestors and DNA

Within each biome, how can the environment be organized into levels from complex to simple

What is different between the 20 amino acids are used to make proteins?

When you touch a hot plate, the transfer of heat from the plate to your hand is called

What can the fossil record show us that our daily observations cannot?

What is the causative agent of Q fever? Coxiella burnetii Chlamydophila psittaci Mycoplasma pneumoniae Streptococcus pyogenes

During photosynthesis, the energy from sunlight is used to split water molecules. What happens to the hydrogen ions that are split from the water molecules?

Which part of a scientific argument must be supported by valid data

What is used as evidence for continental drift

Ocean floor rocks are. Continental rocks

The emergency nurse is providing care for a pregnant woman admitted with a broken femur, blackened eye, and multiple contusions. she admits her partner is abusive. which activity would be considered at the tertiary level of prevention