Whales have what seem like remnants of a pelvis and femur, as shown here.

What are these structures an example of?

transitional structures

analogous structures

vestigial structures

adapted structures

Vegetative propagation is beneficial for farmers. Justify the statement in your own words ...

Griffith's experiments with s. pneumoniae were significant because they showed that traits could be transferred from one organism to another. what else did he find that was significant? see concept 16.1 (page 315)

What is the function of the respiratory zone?

Which is most likely to contain organic compound?

Which of the following best describes succession? Question 1 options: The evolution of species through natural selection to becomes different species over time. All of these are good descriptions of succession.

Which label belongs in the area marked x?

Which of the following may happen to astronauts when they return to Earth from space? They may feel dizzy because the flow of blood to and from the heart to the brain is affected in space.

Under what conditions might the morphological species concept be used instead of the biological species concept? a. It is clear that one species evolved into another, based on fossils. b.

If the earth traps more heat, it may cause

In an organism with a haploid number of 10 (n=10), how many chromatids would be present in a cell at the first meiotic metaphase?