​The general model for animal development states that how an animal body develops depends upon ____.

A) ​when and where particular genes are expressed
B) ​which nutrients are available for the developing embryo
C) ​the temperature at which the embryo develops
D) ​the number of chromosomes present
E) ​the number of sperm that fertilized the egg

Inverted ecological pyramids can occur in what habitat?

A) forest canopies
B) deserts during rare rainfalls
C) aquatic ecosystems
D) any ecosystem disturbed by human activity
E) If studied closely, inverted pyramids never occur naturally.

Phorid flies are being used to combat the invasive red imported fire ants. How do phorid flies kill the ants?

A) They are predators of the ants.
B) They produce a poison in their lining which kills the ants when eaten.
C) They are parasitoids that lay their eggs in the ant's body.
D) They compete with the ants for food sources.
E) They kill ant eggs.

Which of the following is correctly matched?

A) Alkalosis - hypokalemia
B) Cell destruction - hypokalemia
C) Increased secretion of aldosterone - hyperkalemia
D) Overuse of diuretics - hyperkalemia
E) Acidosis - hypokalemia