Which of these happens during exhalation? a. Air moves from the environment to the alveoli.
b. The intercostal muscles expand.
c. The diaphragm returns to a dome shape.
d. The space inside the rib cage increases.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

If a baby girl guinea pig looks almost identical to its mother, does this then mean that it inherited more alleles from its mother? explain. (hint: think about the vocabulary words dominant and recessive.)

Jason, a dog breeder, decides to mate a poodle with a golden labrador retriever. he wants to get puppies with the curly hair of the poodle and the color of the labrador. what concept is shown in this example? question 6 options: artificial selection adaptation evolution natural selection