Biology Review 4 (Ecology)

What is required for a trait to be an adaptation

• it must look cool

• it must help to survive and reproduce

• it must create more offspring

• it must create competition

This scientist came up with the idea of natural selection.

• Jean Baptiste Lamarck
• Gregor Mendel
• Charles Darwin
• Thomas Malthus

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

Inherited trait that helps an organism survive is a(n) __________.

• Fossil
• Adaptation
• Ancestor
• Natural selection

Survival of the fittest or when favorable adaptations reproduce faster is called what?

• Evolution
• Adaptation
• Natural selection
• Fossilization

This scientist came up with the idea of natural selection.

• Jean Baptiste Lamarck
• Gregor Mendel
• Charles Darwin
• Thomas Malthus

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

Which of the following is an example of a vestigial structure?

• the wings of a red-tailed hawk
• the hind limbs of a house cat
• the fins of sharks
• the tailbone of a human

What is the ultimate source of energy for most organisms?

• The Sun

• The Earth

• Plants

• Producers

Kilocalories (kCal) is a measure of energy. If there are 1000 kCal available for the producers in trophic level #1, how much energy is available for the secondary consumers trophic level #3? (Hint: use the Rule of 10s)

• 10 kCal

• 1 kCal

• 100 kCal

• 1000 kCal