Biology Chapter 16 Review

Darwin noticed many organisms were well suited to surviving in environments where __.

• resources were abundant

• conditions were harsh

• temperatures were stable

• food was plentiful

The Galapagos finches different-shaped __ showed adaptation.

• wings

• beaks

• tails

• feet

Galapagos observations made Darwin question if species living on different islands were all once members of the __ __.

• same family

• same species

• same genus

• same order

Local variation among tortoises supported the idea of __ (same as the finches).

• adaptation

• evolution

• migration

• extinction

Having similar (yet different) physical characteristics supports the hypothesis that they all may have descended from a __ __.

• common ancestor

• different species

• unique lineage

• single organism

Darwin's idea of __ __ started to formulate after observing geographical location of certain species.

• natural selection

• artificial selection

• genetic drift

• mutation theory

__ are preserved remains of ancient organisms.

• Fossils

• Artifacts

• Relics

• Bones

Hutton & Lyell suggested that the Earth was __ enough for evolution to occur.

• old

• young

• stable

• dynamic

Lamarck said the change occurs because organisms fail to __ body structures.

• use

• develop

• maintain

• adapt

War, starvation, disease are things __ __ said would control human population.

• Malthus

• Darwin

• Lamarck

• Lyell