According to the geological time scale, in what era did most types of animals first appear?

-Haden

-Paleozoic

-Mesozoic

-Cenozoic

What are differences between meiosis and mitosis?

An emergency room patient was very anxious after a serious car accident. the benzidiazepine lorazepam (ativan) 2 mg intramuscularly was administered. one hour later, which finding indicates to the nurse that the medication was effective? a.

Drinking alcohol during pregnancy negatively impacts development of the fetus because: the mother's body is unable to process alcohol. alcohol crosses the barrier that the placenta creates. the mother can no longer produce primary oocytes.

Which structure does not belong in a prokaryotic cell

In what type of cell would meiosis occur? A. Lung cell B. Brain cell C. Blood cell D. Sex cell

Some geneticists study the genes that control bone development to try to understand bone growth and find cures for diseases. How is this different from an orthopedist (a doctor who specializes in bones) ? A.

The individual whose name is associated with a natural experiment during an outbreak of cholera in london was

Anaerobic prokaryotes use to obtain energy. Archaea and eubacteria are prokaryotic in nature. One of the differentiating characteristics between them is that eubacteria have in their cell walls.

Which STI if left untreated leads to madness

What division do the simplest plants belong to?