Darwin selection CONNECT

Question 1

what is involved in natural selection?

Answer 1

There is always competition for resources.

Organisms differ in reproductive success.

There are inheritable variations in populations.

Question 2

what is catastrophism

Answer 2

theory that proposed that a series of catastrophes or mass extinctions followed by repopulation could explain why species change over time.

Question 3

Darwin’s theory of natural selection to explain evolution is also known as?

Answer 3

descent with modification.

Question 4

During the course of Darwin’s journey aboard the H.M.S. Beagle he was collecting and recording ________ and __________.

Answer 4

geological; biological diversity evidence

Question 5

What viewpoint was proposed by Aristotle about living organisms?

Answer 5

living organisms form a sequential ladder of life, with humans at the top

Question 6

Linnaeus developed his classification system for organisms according to

Answer 6

a theory of special creation and fixity of species.

Question 7

Lamarck’s inheritance of acquired characteristics included the idea that

Answer 7

there is a natural force in all living things that pushes them toward perfection.

Question 8

Cutting off the tails of mice over several generations should cause the tails of their offspring to become shorter, according to the ideas of which of these scientists?

Answer 8

Lamarck

Question 9

what ideas did darwin adopt from MALTHUS

Answer 9

In his theory of natural selection, Darwin incorporated the premise that available resources were not sufficient for all members of a population to survive. Darwin adopted these ideas of competition and survival from

Question 10

in his theory of natural selection, Darwin incorporated the premise that available resources were not sufficient for all members of a population to survive. Darwin adopted these ideas of competition and survival from

Answer 10

malthus

Question 11

Over many generations man has chosen certain desirable characteristics in dogs by allowing dogs possessing those characteristics to reproduce. In this way, 150 breeds of dogs, all in the same species, have descended from wolves. This process is referred to as

Answer 11

artificial selection.

Question 12

Lamarck’s ideas on evolution were adopted by some Russian scientists, including Michurin and Lysenko in Stalinist Russia. Their textbooks printed Lysenko’s assertions that a wheat plant could be made cold-hardy by conditioning in cold storage, or that workmen who develop strong muscles would produce children who were stronger. Which of the major premises of evolution by natural selection was violated?

Answer 12

Natural selection acts on variations that are already available in the population’s gene pool.

Question 13

Most of Darwin’s observations about changes in species over time and in different environments took place in and near

Answer 13

south america

Question 14

Darwin’s observation that there were Patagonian hares but no rabbits in South America would be considered ______________ evidence.

Answer 14

biogeographical

Question 15

Darwin’s opinion that living forms must be descended from extinct forms was based on ________ evidence.

Answer 15

fossil

Question 16

A line of evidence NOT considered by Darwin in his development of the theory of natural selection is

Answer 16

comparative biochemistry

Question 17

evidence considered by Darwin in his development of the theory of natural selection is

Answer 17

comparative anatomy.
biogeography.
the fossil record.

Question 18

The organisms on the Galápagos Islands that were most important to the development of Darwin’s theory of natural selection were

Answer 18

tortoises and finches.

Question 19

Fossils like Archaeopteryx offer evidence linking

Answer 19

birds and dinosaurs.

Question 20

What evidence would be studied by a biogeographer?

Answer 20

plate tectonics

amount of genetic similarity among current populations

ocean currents and wind patterns

ranges and migration patterns of animals

Question 21

Homologous structures such as the bones in wings, flippers, and arms would be studied in the field of

Answer 21

comparative anatomy.

Question 22

examples of natural selection

Answer 22

the distribution of dark and light colored peppered moths in Britain.

a rise in bacterial resistance to antibiotics.

the reduction in beak length of scarlet honeycreepers when they changed food sources.