Currently, the single greatest threat to biodiversity is

A) global warming.
B) habitat destruction due to humans.
C) the introduction of exotic species.
D) overexploitation of populations for food.


Answer: B

Biology & Microbiology

You might also like to view...

Discuss how the Human Microbiome Project will impact our understanding of human disease

What will be an ideal response?

Biology & Microbiology

Four of the five answers listed below are

compounds associated with fermentation. Select the EXCEPTION.

a. pyruvate b. lactate c. ethanol d. acetyl CoA e. acetaldehyde

Biology & Microbiology

__________ is normally far less than __________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

When an action potential from a motor neuron arrives at the neuromuscular junction (NMJ), a series of events occurs that leads to muscle contraction. Which of the following events will occur last (that is, after all of the others)?

A) acetylcholine (ACh) release B) conformational change in troponin C) depolarization of the muscle cell D) release of Ca2+ from the sarcoplasmic reticulum

Biology & Microbiology