unit 18

Question 1

adapt

Answer 1

v. To adapt means to change in order to deal with a new situation. When he went to the new town’ he had to adapt to all the weather changes.

Question 2

biological

Answer 2

adj. Biological describes the process of life and living things.

Question 3

cellular

Answer 3

adj. When something is cellular’ it relates to the cells of animals or plants. She used a microscope to see the activity at a cellular level.

Question 4

dynamic

Answer 4

adj. When people are dynamic’ they are lively and have creative ideas. The new’ dynamic employee came up with a good way to juggle his workload.

Question 5

fantasy

Answer 5

n. A fantasy is a pleasant situation that people think about but is unlikely to happen. Becoming an astronaut is a fantasy shared by many children.

Question 6

heredity

Answer 6

n. Heredity is the process of passing on features from parents to children. The boy’s face is similar to his father’s because of heredity.

Question 7

internal

Answer 7

adj. When something is internal’ it exists or happens inside a person’ object’ or place. We removed the outer case to reveal the computer’s internal wires.

Question 8

minimal

Answer 8

adj. When something is minimal’ it is very small. My lazy husband does a minimal amount of work around the house.

Question 9

pioneer

Answer 9

n. A pioneer is a person who is the first to discover or be involved in something. He was a pioneer of computer programming.

Question 10

prescribe

Answer 10

v. To prescribe medicine means to tell someone to take it. When I was sick’ the doctor prescribed flu medicine for me to take.

Question 11

respective

Answer 11

adj. When things are respective’ they relate separately to each person just mentioned. The boxers were told to return to their respective corners.

Question 12

Origid

Answer 12

adj. When rules or systems are rigid’ they are severe because they cannot be changed. Societies often have rigid rules about the way that people are supposed to act.

Question 13

sequence

Answer 13

n. A sequence is a number of events or things that come one after another. The dominos fell in a sequence of one after another.

Question 14

similar

Answer 14

adj. Things which are similar are almost the same. I have had a similar experience to the one you described.

Question 15

substitute

Answer 15

v. To substitute something or someone means to have them take the place of another. When I ran out of juice’ I had to substitute water to drink in the morning.

Question 16

surgeon

Answer 16

n. A surgeon is a doctor who is trained to do surgery. The surgeon operated on the old man’s heart.

Question 17

therapy

Answer 17

n. Therapy is treatment for a particular physical or mental illness or condition. After she broke her legs’ she used physical therapy to learn how to walk again.

Question 18

transfer

Answer 18

v. To transfer something means to move it from one place to another. The family transferred the groceries from the shopping cart to the car.

Question 19

transition

Answer 19

n. A transition is a process where there is a change from one form to another. The weather gets colder during the transition from summer to autumn.

Question 20

transplant

Answer 20

n. A transplant is an operation in which a damaged part of one’s body is replaced. The sick child needed a heart transplant to live.