Which life cycle components appear only in mosses and ferns?

A. pine cones

B. flagellated sperm

C. sporophytes

D. pollen grains

Can a parent with blood type O have a child with blood type B?

Fish respiratory systems exchange gas and receive oxygen at the gills. This oxygen then enters the bloodstream and is pumped through the heart and back through the gills without first returning to the heart.

Some school districts use gps to

How many autosomes are there

Figure 1.1 26. Figure 1.1, represents water in what state of matter? a. liquid b. gas c. solid d. none of the above

What types of evidence did scientists use to make branching trees?

Just before you arrive on the scene of a medical call, you get more information from dispatch, which indicates "biting his tongue and foaming at the mouth"

The maximum energy yield of the entire glucose to energy conversion is ___ atp per glucose

Describe why a fresh carrot or celery will produce a "snap" sound when you break it. A vegetable that is not fresh will not make this sound and may bend. Explain this phenomenon.

How many chromosomes does a human skin cell have?