Key Words

Question 1

Selective breeding

Answer 1

Breeding plants and animals for a particular genetic characteristics

Question 2

Variation

Answer 2

Differences between individuals in a population

Question 3

Evolution

Answer 3

Change in the inherited characteristics of a population over time due to natural selection

Question 4

Species

Answer 4

Group of similar organisms capable of interbreeding to produce fertile offspring

Question 5

Genome

Answer 5

Entire genetic material of an organism

Question 6

Genetic screening

Answer 6

Tests to discover a persons genome

Question 7

DNA

Answer 7

Chemical found in nucleus of cells

Question 8

Extinction

Answer 8

The permanent loss of all members of a species

Question 9

Causes for extinction?

Answer 9

Habitat destruction
Hunting or fishing from humans
Environment change
Extinction of species in the food chain of an animal

Question 10

How can resistant bacteria be reduced?

Answer 10

Doctors not over prescribing antibiotics

Patients should always complete the time frame for consuming antibiotics

Question 11

Speciation

Answer 11

The formation of a new species due to evolution

May cause extinction of a species

Question 12

How are fossils formed?

Answer 12

1) Organism gets covered in sediment after it dies- mud/sediment builds up on top of it
2) soft parts of organism decay/are eaten
3) bones/hard parts do not decay
4) minerals enter bones - preserve organisms remains
5) layers of sediment form sedimentary rock over time