What is the 3rd trophic level called

Over time a particular plant has developed a longer stamen. which of the following is a possible advantage of having a longer stamen?

Darwin believed in the idea that evolution happened slowly over long period of time called?

During the process of cell division, both plant and animal cells A) develop a cell plate. B) develop a cleavage furrow. C) go through a step called metaphase. D) go through telomeric interpretation.

Which of the following is generally true of an X-linked recessive pedigree? A. Disease is seen more often in males than females. B. A pattern of skipped generations is rare. C. Males are gene carriers. D.

Air pressure can be high or low. Does air flow from low to high pressure or from high to low pressure?

How would the H-zone in a contracted sarcomere differ from that of a relaxed sarcomere?

Which describes gyres in the northern hemisphere? A.) They move warm water from the surface to the bottom of the ocean. B.) They move cold water from equatorial regions to polar regions. C.

The process of replication is the same for all living things because? A) The structure of the DNA is the same for all living things B) The DNA base pairs can pair up any way they choose C) All living things have the same number of chromosomes D)

You will need to incubate your test wells for 15 minutes twice. Which two of the following describe the conditions under which you will incubate the wells? a. First incubation at 37ºC; second at room temperature. b.

Which is a property of gold?