The larger the intitial population size, the less likely it will become extinct during an environmental change.

a. true
b. false


a. true

Biology & Microbiology

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If lactose and glucose are present, will the lac operon be on or off?

What will be an ideal response?

Biology & Microbiology

Explain why, after the Industrial Revolution in England, dark-coloured pepper moths became more abundant than the usual light-coloured moths, and why this case is often cited as an example of evolution by natural selection.

What will be an ideal response?

Biology & Microbiology

The first shell in any atom contains one orbital which may contain as many as:

A. 8 protons B. 4 neutrons C. 8 electrons D. 2 neutrons E. 2 electrons

Biology & Microbiology

Regarding megafaunal extinctions, it is assumed that the driving factor was

A. climate change. B. rising sea levels. C. a meteorite. D.  the Ice Age. E. Homo sapiens.

Biology & Microbiology