Q3: Lesson ? | Evolution

Question 1

refers to the scientific study of embryos and their development

Answer 1

embryology

Question 2

same structure but different function

Answer 2

homologous structure

Question 3

same function but different structure

Answer 3

analogous structure

Question 4

refers to the physical structures of the organisms that have the same evolutionary origin and positions

Answer 4

homologous structure

Question 5

refers to the structure of animals which is gradually disappearing

Answer 5

vestigial structure

Question 6

this evidence shows that all life consists of similarities in nucleotide sequence and proteins

Answer 6

genetics

Question 7

preserved remains of plants and animals

Answer 7

fossils

Question 8

formed when living organisms are quickly buried in sand, mud, and gravel

Answer 8

fossils

Question 9

it is used to determine the age of fossilized organisms

Answer 9

radioisotope dating

Question 10

these elements help in radioisotope dating

Answer 10

potassium-argon

Question 11

where did charles darwin discover evolution

Answer 11

galapagos islands

Question 12

darwin’s theory

Answer 12

darwin’s theory of evolution by natural selection

Question 13

the transfer of alleles from the former population to another population

Answer 13

gene flow

Question 14

it occurs when several animals move from one population to another

Answer 14

gene flow

Question 15

a change in allele frequencies that affect an organism to be eliminated

Answer 15

genetic drift

Question 16

is the change in allele frequencies that are due to chance alone, which causes a loss of genetic diversity in a population

Answer 16

genetic drift

Question 17

new alleles can form through ________ that will create another genetic variation needed for evolution

Answer 17

mutation

Question 18

it occurs in the dna sequence, which causes a nucleotide base to be inserted to offspring

Answer 18

mutation

Question 19

happens when a male displays unique traits that attract the female

Answer 19

intersexual selection

Question 20

happens when there is competition among males

Answer 20

intrasexual selection