The primary function of the respiratory system is gas exchange, but it is also involved in speech. Which organ of the respiratory system enables the generation of sound?

A. Pharynx

B. Larynx

C. Trachea

Why are there more species of plants there now than were planted? (multiple choice) Human activity Seed dispersal Extinction Spore transport

A woman reports a racing heart that began while she was playing softball 2 hours ago. Her ECG shows a rapid and regular heart rate, and she is given an intravenous bolus of a drug that activates G protein-coupled receptors.

Binary fission is a form of asexual reproduction that is similar to mitosis in what way

According to the endosymbiosis theory, scientists believe that early eukaryotes formed from prokaryotes. Why do scientists believe that prokaryotes existed earlier than eukaryotes?

What event must happen before a cell can enter into cellular division?

What is the largest component of the metabolism?

Complete the following sentences to identify the process that ice, water, or water vapor may undergo if either the temperature or the pressure is increased.

Anton Van Leeuwenhoek was the first to refer to cells as what?

A particular species of fish were spilt by the formation of the isthmus of Panama a long time ago. The fish developed changed in their genes to adapt to the new environment and became two different species. What is this process called

Complete the following sentences to describe the differences between protostome and deuterostome development. The place the sentences in chronological order to describe embryonic development. Choices may be used more than once.