SOL science prep 7th grade unit 5

Question 1

change/adaptation over a long period of time?

Answer 1

Evolution

Question 2

what are the ways populations can evolve over time?

Answer 2

Genetic drift
Natural Selection

Question 3

It is random, by chance
smaller population
“sampling error”

Answer 3

Genetic Drift

Question 4

change/adaptation due to a natural pressure
survive and reproduction is key

Answer 4

Natural selection

Question 5

shows the relationship between organisms and their common ancestors

Answer 5

Cladogram/Phylogenetic Trees

Question 6

process in which a new species is formed (due to geographic isolation, natural selection, genetic drift

Answer 6

Speciation

Question 7

interaction between two different organisma living in close physical areas

Answer 7

Symbiosis

Question 8

one lving organism is either harmed of killed and other is helped

Answer 8

Parasitism

Question 9

both living organisms are helped in this relationship

Answer 9

Mutualism

Question 10

one organism is helped and the other is not affected in this relationship

Answer 10

Commensalism

Question 11

evolution
law or theory?

Answer 11

theory

Question 12

gravity
law or theory?

Answer 12

law

Question 13

how was evolution first studied?

Answer 13

with finches in the Galopagos Islands

Question 14

species change due to natural surroundings
environmental changes couse living things to adapt to surroundings
most desired trait is passed on

Answer 14

Evolution by Natural Selection

Question 15

process that enables organisms to adjust to their enviornemts an order to surive

Answer 15

Adaptations

Question 16

what is the main evidence of evolution?

Answer 16

fossils
DNA

Question 17

same structure, different function

Answer 17

Homologous Structure

Question 18

similar function, different structure

Answer 18

Analogous Structure

Question 19

Who study finches to come up with the theory of evolution?

Answer 19

Chatles Darwin