L2 Biology - Evolution Test 2025

Improper mating postures produced by blue-footed boobies can result in ____.

• Temporal isolation

• Behavioral isolation

• Mechanical isolation

• Gametic isolation

Which statement is in agreement with Darwin’s theory of evolution?

• More offspring are produced than can possibly survive

• The organisms that are the fittest are the largest and strongest

• The number of offspring is not related to fitness

• Acquired characteristics that are inherited are the cause of evolution

• None of the above

A group of similar organisms that can mate and produce fertile, viable offspring are called_____

• Species

• Population

• Community

• Ecosystem

• None of the above

When compared to an australopithecine skull, the Homo erectus skull is

• More human-like

• More ape-like

• Smaller

• Exactly the same size

• None of the above

The change in gene frequencies in a population over time is called

• Evolution

• Genetic Drift

• Punctuated equilibrium

• Natural Selection

The Scientist who proposed the idea of “use and disuse” where body parts which are used become larger and those not used become smaller. He also proposed the idea that traits acquired during an organisms lifetime could be passed on to their offspring.

• Georges Cuvier

• James Hutton

• Jean Baptiste de Chevalier de Lamarck

• Alfred Russell Wallace

Of the primates below, which has the largest brain?

• Homo habilis

• Homo erectus

• Ardipithecus ramidus

• Australopithecus afarensis

• Australopithecus africanus

This hominid species were the first to extensively use tools and were considered to be “handy humans”

• Homo habilis

• Homo erectus

• Neandertals

• Cro-Magnons

• Homo sapiens

“Taung child” (lived in South Africa when Lucy was alive) is a skeleton of ____.

• Australopithecus afarensis

• Australopithecus africanis

• Homo ergaster

• Homo erectus

• Homo habilis

Natural selection that favors one extreme variation of a trait

• Natural Selection

• Directional Selection

• Stabilizing Selection

• Disruptive Selection