Which of the following does not occur in both mitosis and meiosis?
(A) Splitting of homologous pairs of chromosomes
(B) Replication of DNA during the S phase of Interphase
(C) Cytokenesis
(D) Formation of Spindle fibers
Ans: (A) Splitting of homologous pairs of chromosomes
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Consider the following food chain: hawk - rabbit - clover. Each species will contain a different amount of calories in its body (clover: 10 calories, rabbit: 500, and hawk: 1200). Each species has a different daily caloric requirement (clover: sunlight, rabbit: 100 calories, hawk: 300). How many clover plants, per day, does it take to support a family of hawks (Mom, dad, and juvenile. Assume each hawk needs the same number of calories per day.)?
A. approximately 1800 clover plants B. approximately 18,000 clover plants C. approximately 100 clover plants D. approximately 600 clover plants E. None, hawks do not eat clover plants.
Explain how the nervous system and hormones regulate the secretion of gastric juice. What will be an ideal response?
Which of the following is not considered an intrinsic isolating mechanism?
A) sterile offspring B) ecological isolation C) geographic isolation D) gametic incompatibility E) timing of courtship display
Synovial joints are used to join together many of the flat bones of the mammalian cranium
a. true b. false