The following structures are found on the underside of fern leaves (microphylls) and contain sporangia:

A - sori

B - rhizomes

C - megaphylls

D - archegonia

Which of the following is true of the biological species concept a) a species represents a group of interbreeding (or potentially interbreeding) populations that are reproductively isolated from other such groups b) if two morphological distinct

Which is nota step in most scientific investigations

The folding and faulting found in the rocks of the blue ridge mountains of virginia were created by what?

Base your answer to the question on the passage below and on your knowledge of biology When Charles Darwin traveled to the Galapagos Islands, he observed 14 distinct varieties of finches on the islands Darwin also observed that each finch variety

A plant cell has lost too much water due to evaporation by the sun. It needs more water from other cells. What structure would allow the water to be transferred?

Which of the following material has the highest electrical conductivity? Wood Clay brick Iron Aluminum Copper Nickel

Which of the following can cause excess growth of algae in water? 1) large amounts of fecal coliform 2) high nitrate content 3) high phosphate content 4) All of the above

If you have damage to the left cerebral hemisphere is most likely to reduce people's ability to

Angiotensin-converting enzyme (ACE) inhibitors and other vasodilators are used in the early treatment of heart failure. They act to a. cause loss of volume b. increase arterial pressure and perfusion c.

Which structure is found in both cartilage and bone