Appositional growth

What will be an ideal response?


Cartilage forming cells in perichondrium secrete matrix against external face of existing cartilage. New matrix laid down on surface of cartilage.

Biology & Microbiology

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Discuss the theory of secondary endosymbiosis and defend the theory by providing evidence that supports it

What will be an ideal response?

Biology & Microbiology

Which of the following statements about the transfer of fluid from the glomerulus to Bowman's capsule is CORRECT?

A. It results from active transport. B. It transfers large molecules (e.g., proteins) as easily as small ones. C. It is very selective as to which small molecules are transferred. D. It is mainly a consequence of blood pressure force-filtering the fluid. E. It usually includes the transfer of red blood cells to the nephron tubule.

Biology & Microbiology

Where is external fertilization most likely to occur?

a. mountainous environments b. tropical environments c. aquatic environments d. desert environments

Biology & Microbiology

A flower is not ideally matched with a pollinator that visits it daily. Why might that be?

A) The flower does not need pollination. B) The flower is imperfect. C) The flower does not have sufficient nutrients. D) The flower has several other pollinators with differing traits.

Biology & Microbiology