What vessel returns fluid from the lymphatic system to the circulatory system?

a. thoracic duct

c. lymphatic vein

b. aorta

d. urethra

In a cladogram, when does a group of organisms branch off? when a new trait evolves when an ancestor becomes extinct when it is discovered when it becomes large enough

In what types of organisms is mitotic reproduction most common?

Which best describes food when It reaches the large intestine?

A metamorphie rock can be classified according to its

When faced with dangers close to both sides of your path of travel you should create:?

Are chromosomal mutations beneficial, harmful, or neutral?

which of the following fossil is best described as forming when minerals replace all of the organisms

Why does a block of metal sink in water but the same size block of wood float? The molecules in the metal are closer together than the molecules of the wood. The metal is more compact.

Do eukaryotic have membrane-bound organelles?

Your chances of developing breast cancer dramatically increase with age. at what age do doctors recommend getting a yearly mammogram?