Exploring Biology Chapters 4-7

Question 1

Answer 1

Circular muscle layer

Question 2

The chemical digestion of fats begins in the

Answer 2

small intestine

Question 3

Most farmers plant potatoes by

Answer 3

planting a piece of a potato with an eye in it

Question 4

Answer 4

Pyloric sphincter

Question 5

To what state did Luther Burbank move after leaving New England?

Answer 5

California

Question 6

Most plants produce seeds in

Answer 6

the Fall

Question 7

In Carver’s day, the important crops of the South were corn and _______________.

Answer 7

cotton

Question 8

The white potato is what part of the plant?

Answer 8

stem

Question 9

The reason cattle can digest grass is because they have _______________ in their digestive system.

Answer 9

bacteria

Question 10

Answer 10

Longitudinal muscle layer

Question 11

Why did George Washington Carver do laundry, ironing, and gardening rather than farm work?

Answer 11

He was too small and frail for heavy work.

Question 12

Answer 12

esophagus

Question 13

The sugar found in mother’s milk is

Answer 13

lactose

Question 14

To speed up the development of prune trees, Luther Burbank first grew _________ in a greenhouse in a hotbed.

Answer 14

almond tree

Question 15

The simple sugar ready for use by cells is ________________.

Answer 15

glucose

Question 16

Starch is a type of

Answer 16

carbohydrate

Question 17

Answer 17

Oblique muscle layer

Question 18

The stomach digests food by

Answer 18

chemically changing the food

Question 19

The process by which plants can grow from a part of the parent plant such as a cutting from the stem or root is called _______________ reproduction.

Answer 19

vegetative

Question 20

The three elements found in both carbohydrates and fats are ______________, _______________, and ________________ (any order).

Answer 20

carbon, hydrogen, oxygen

Question 21

Prunes are partially dried fruit from a special type of _________________ tree.

Answer 21

plum

Question 22

Spores are produced by plants that

Answer 22

do not flower

Question 23

were carried along the Silk Road from China to Spain and then to California.

Answer 23

almonds

Question 24

Answer 24

Rugae

Question 25

Answer 25

body

Question 26

While in New England, Luther Burbank took sweet corn to market first because he

Answer 26

used a compost hotbed

Question 27

Molar teeth are designed to

Answer 27

mash teeth

Question 28

The one used for growth and repair of the body is

Answer 28

proteins

Question 29

Some plants have seeds with barbs, which are used for what purpose?

Answer 29

as a way to be transported elsewhere

Question 30

Taste buds are most sensitive to a

Answer 30

bitter taste

Question 31

Answer 31

Duodenum

Question 32

Which is longest the small intestine or the large intestine?

Answer 32

small intestine

Question 33

The digested form of protein is

Answer 33

amino acids

Question 34

Carver suggested farmers plant peanuts and sweet potatoes because:

Answer 34

nitrogen-fixing bacteria grew along their roots

Question 35

What plant has seeds that can be carried thousands of miles by ocean currents?

Answer 35

coconut

Question 36

The four essential elements that plants need are carbon, oxygen, hydrogen, and:

Answer 36

nitrogen

Question 37

Answer 37

cardia

Question 38

Plants that take two years to produce seeds are known as

Answer 38

biennials