Can You Answer the Correct Biological Terms Flashcards

Before the 1800s __ generation was the dominant explanation for how life came to be on Earth.

__ was the term used by Redi, Pasteur, and Tyndall which states that all life is generated from life.

Today, the dominant hypothesis for the origin of life on Earth has __ (a number) stages.

DNA likely arose from a(n) __ world.

__ were the earliest forms of life on Earth

The finding that all organisms share the same genetic code provides evidence that all descended from a __ ancestor.

Louis Pasteur's experiment illustrated that
A) microbes will grow spontaneously in a nutrient broth that has been sterilized and sealed.
B) only some organisms can form spontaneously in nutrient broth.
C) life may have begun by chemical evolution.
D) some complex molecules associated with living organisms can be synthesized by heating and cooling a solution of simple molecules and providing an electric spark.
E) microbes will not grow in a nutrient broth that has been sterilized unless they are allowed to enter by opening the vessel to the air.

The theory that life began from non-living molecules that became able to reproduce themselves at one time in the distant past is
A) prebiotic evolution.
B) prehistoric evolution.
C) prokaryotic.
D) spontaneous generation.
E) A and D are correct.

It has been proposed that the first atmosphere of Earth had all the following gases EXCEPT
A) H2.
B) H2O.
C) O2.
D) NH2.
E) CH4

Multicellularity allows organisms to
A) be photosynthetic.
B) undergo aerobic respiration.
C) be big.
D) be fast.
E) Both c and d

Louis Pasteur's experiment illustrated that
A) microbes will grow spontaneously in a nutrient broth that has been sterilized and sealed.
B) only some organisms can form spontaneously in nutrient broth.
C) life may have begun by chemical evolution.
D) some complex molecules associated with living organisms can be synthesized by heating and cooling a solution of simple molecules and providing an electric spark.
E) microbes will not grow in a nutrient broth that has been sterilized unless they are allowed to enter by opening the vessel to the air.

The author of On the Origin of Species by Means of Natural Selection is
A) Mendel.
B) Malthus.
C) Galvani.
D) Darwin.
E) Lamarck.

Most commercial pesticides are effective for only 2-3 years. This is because
A) new pests invade the area.
B) the chemicals induce mutations that convey immunity.
C) the chemicals mutate.
D) the pests learn to ignore the chemicals.
E) those pests with advantageous mutations will survive and reproduce.

A population of deer was threatened with overpopulation until cheetahs were imported. After a couple of years there were fewer deer but the average running speed of the deer had increased. This is an example of
A) inheritance of acquired characteristics.
B) induced mutation.
C) genetic drift.
D) mutation.
E) natural selection.

Which of the following statements is TRUE?
A) A long distance runner will produce gametes with good genes for running because their bodies are in such good physical condition.
B) Exercise can have an effect on genes.
C) What a person does during their life can have no effect on their genetic makeup other than random genetic changes from exposure to chemicals or radiation.
D) Cutting the tails off mice for 100 generations will result in a strain of mice with genes for short tails.
E) People who are healthy tend to have healthier DNA.