LESSON 16

Question 1

no longer existing

Answer 1

EXTINCT

Question 2

the smallest building blocks of all living things

Answer 2

CELLS

Question 3

the act or process of growing

Answer 3

DEVELOPMENT

Question 4

very rare and in danger of dying out completely

Answer 4

ENDANGERED

Question 5

the state of being kept in a place (like a prison or cage) and not being able to leave

Answer 5

CAPTIVITY

Question 6

places where plants or animals naturally live or grow

Answer 6

HABITATS

Question 7

interesting places to visit

Answer 7

DESTINATIONS

Question 8

of or in the countryside

Answer 8

RURAL

Question 9

a scientist who studies objects in outer space

Answer 9

ASTRONOMER

Question 10

of or related to the spirit or soul, rather than the mind or body

Answer 10

SPIRITUAL

Question 11

a rare or important fact or event

Answer 11

PHENOMENON