Mostly lined with mucous membranes that trap dust.

a. The larynx

b. The nose

c. The pharynx

Who was the first person to look at living cells using a microscope

Which of the following are not egg-laying vertebrates? amphibians fish reptiles insects

The case of the system unit is made of metal or plastic and protects the internal electronic components from damage. a. True b. False

What evidence did Wegener make use of to develop the theory of continental drift? A. Mountains in North America appear to be a part of the same chain of mountains as those in Northern Europe. B.

A flower can generate an embryo through self-fertilization. What statement best describes the process of self-fertilization in the flower? A. An egg produced by the ovary falls onto the anther, causing pollen on the anther to project a pollen tube.

Smooth muscle is found in just one place in the body. true or false

Which of the following characteristics evolved independently in mammals and birds? A) bilateral symmetry B) amniotic eggs C) jaws D) bone E) endotherm

A client is heard saying, "i like eggs, fried by meg, served on a keg, kicked in the leg and don't want her to hoopanize them ever again." what should the nurse note in the client's record?

Explain how unfavorable traits can disappear in a specie

Myoglobin, and iron - and oxygen-binding protein found in the muscle tissue of vertebrates, is 0.316% fe by mass. if a myoglobin molecule contains one iron atom, what is the molar mass of myoglobin?