vocab

Question 1

DNA

Answer 1

a molecule that is present in living cells and that contains the info

Question 2

Nucleotide

Answer 2

in a nucliec-acid chain, a subunit that conists of a suger,
a phosphate and a nitrogenous base

Question 3

Chargaff’s Rules

Answer 3

that animals came from other animals

Question 4

Watson and Crick

Answer 4

.

Question 5

Rosalind Franklin

Answer 5

.

Question 6

Mutations

Answer 6

a change in the nucleotide-base sequence of a gene

or DNA molecule

Question 7

Adaptation

Answer 7

a charaistics that improves indivalual’s ability to survive and reproduce in a particalar enviroment

Question 8

Species

Answer 8

a group of organisms that are closly related and can

mate to produce fertile offspring

Question 9

Evolution

Answer 9

the process in which inherited charaistics whithen population change over generations such that new species sometimes arise

Question 10

Fossils

Answer 10

the remains or phisical of an organism preserved by

geological prosses

Question 11

Fossil Record

Answer 11

a historic squence of life idecated by by fossils found in the earth’s crust

Question 12

Darwin

Answer 12

a

Question 13

Trait

Answer 13

a genteticaly determind charaistics

Question 14

Selective Breeding

Answer 14

the human practice of or plants that have sertan defined charastics

Question 15

Natural Selection

Answer 15

Indaviuals who survive and have adapted reproduce

Question 16

Generation Time

Answer 16

the period between the birth of 1 generation and the birth of the next generation

Question 17

Speciation

Answer 17

the formation of new spieces as a result of evoltion

Question 18

Primates

Answer 18

a type of mamal characterized bu accible thumbs and binoclar vision

Question 19

Hominid

Answer 19

a type of prime mate by bipedalism

Question 20

Homo sapiens

Answer 20

the spieces of homosides that includes modren humans

and their closest ansestors and that first appeared about 100,000 to 150,00 years ago