Review For Science Test

Question 1

A chemical messenger is a

Answer 1

Hormone

Question 2

Within 5 minutes, all of your blood is filtered by your kidneys. Without properly functioning kidneys, what would occur?

Answer 2

Homeostasis would not be maintained

Question 3

Endothermic creatures maintain fairly consistent body temperatures. Ectothermic creatures do not. What are the best animal Classes to represent “endothermic” and “ectothermic” animals?

Answer 3

Avian and Osteichthyes

Question 4

Human enzymes work best at the body temperature which is

Answer 4

98.6°F/37°C

Question 5

The body system that consists of the skin, hair, and nails, and sweat glands and provides protection and regulates body temperature is the

Answer 5

Integumentary system

Question 6

Which of the following animals has a body temperature that doesn’t change depending on the weather outside?
Flamingo? Fish? Shark? Frog?

Answer 6

Flamingo

Question 7

What happens when you are too hot?

Answer 7

Hair lies flat
Sweat is produced
Blood vessels widen

Question 8

What usually results when an organism fails to maintain homeostasis?

Answer 8

The organism becomes ill or may die

Question 9

No matter what the temperature of the air around you, your internal body temperature will be close to

Answer 9

37°C/98.6°F

Question 10

The process by which an organism’s internal environment is kept stable in spite of the changes in the external environment is called

Answer 10

Homeostasis

Question 11

What might happen if you didn’t run a fever when you got sick?

Answer 11

Your body wouldn’t fight off the infection as efficiently as it could

Question 12

Shivering and sweating are part of which feedback?

Answer 12

Negative feedback

Question 13

Your body temperature during an illness is controlled by which feedback

Answer 13

Positive feedback

Question 14

What from the list below is controlled by positive feedback?

Carbon dioxide/oxygen levels? Water balance? Blood pH? Blood sugar? All of these? None of these?

Answer 14

None of these

Question 15

Your normal body temperature is controlled by which feedback?

Answer 15

Negative feedback

Question 16

What from the list below is controlled by homeostasis?

Carbon dioxide/oxygen levels? Water balance? Blood pH? Blood sugar? All of these? None of these?

Answer 16

All of these

Question 17

Which part of the brain monitors the body’s sugar levels, temperature and water content?

Answer 17

Hypothalamus

Question 18

What is the major difference between positive and negative feedback?

Answer 18

Positive feedback causes bodily processes to continue; negative feedback causes bodily processes to start or stop

Question 19

What is the process of keeping the body at a constant temperature?

Answer 19

Thermoregulation

Question 20

Lateral means

Answer 20

Towards the side of the body or farther from the midline

Question 21

Distal means

Answer 21

Further away from the attachment of the body

Question 22

The closer the appendage is to the point of attachment the more ________ it is.

Answer 22

Proximal

Question 23

Your forehead is _______ to your chin.

Answer 23

Superior

Question 24

Your knee is _________ to your chin.

Answer 24

Inferior

Question 25

Anterior may also be called _____ in humans.

Answer 25

Ventral

Question 26

The frontal plane

Answer 26

Segments the body into the front and back

Question 27

Match the element with its atomic symbol Hydrogen

Answer 27

H

Question 28

Match the element with its atomic symbol Calcium

Answer 28

Ca

Question 29

Match the element with its atomic symbol Chlorine

Answer 29

Cl

Question 30

Match the element with its atomic symbol Carbon

Answer 30

C

Question 31

Match the element with its atomic symbol Sodium

Answer 31

Na

Question 32

Match the element with its atomic symbol Iron

Answer 32

Fe

Question 33

In a molecule of glucose like the one below, how many atoms of carbon are there? C6H12O6

Answer 33

6

Question 34

Using the formula of glucose like the one below, how many molecules are there? 3C6H12O6

Answer 34

3

Question 35

Using the formula of glucose like the one below, how many atoms of oxygen are there? 3C6H12O6

Answer 35

18

Question 36

What unit do measurement does the graduated cylinder use?

Answer 36

mL

Question 37

NaCl is

Answer 37

Ordinary table salt, a molecule, is made of sodium and chlorine, made of two different elements

Question 38

What unit of organization is represented by a nervous tissue?

Answer 38

Tissue

Question 39

What organ system supports the body, protects the vital organs, and makes blood vessels?

Answer 39

The skeletal system

Question 40

The process by which an organism's internal environment is kept stable in spite of changes in the external environment is called

Answer 40

Homeostasis

Question 41

What are the correct 4 kingdoms?

Answer 41

Animalia, plantae, fungi, and protista

Question 42

Which system delivers oxygen and nutrients to the body parts that need them?

Answer 42

The circulatory system

Question 43

How does the urinary system get rid of chemical waste?

Answer 43

By flushing them out of the body

Question 44

The human body's systems are interrelated. In other words:

Answer 44

They depend on each other

Question 45

Messages are carried back and fourth between the brain and other parts of the body by

Answer 45

The nervous system

Question 46

The brain, spinal cord, and nerves are made up of what type of tissue?

Answer 46

Nervous tissue

Question 47

What is the main function of the excretory system?

Answer 47

To collect and remove waste from the body

Question 48

What might happen if your respiratory center malfunctioned?

Answer 48

The oxygen level in your blood might go out of balance

Question 49

What might happen if your endocrine system weren't functioning properly?

Answer 49

Your body might grow or mature properly

Question 50

What has a nucleus, may be unicellular or multicellular, and some organisms have specialized cells?

Answer 50

Eukarya

Question 51

The smallest structure capable of carrying out all life processes is the

Answer 51

Cell

Question 52

True or False Movement is a characteristic of life

Answer 52

False

Question 53

What does your circulatory system have in common with your nervous system?

Answer 53

They're both networks that stretch throughout your entire body

Question 54

Which system breaks down food so that nutrients and water can be used by the body?

Answer 54

Digestive system

Question 55

What might happen if your kidney's malfunctioned?

Answer 55

The water in your blood might go out of balance

Question 56

A cold blooded animal is

Answer 56

An ectotherm

Question 57

The study of tissues is

Answer 57

Histology

Question 58

Vertebrates are a part of which taxa?

Answer 58

Eukarya, chordata, and animalia

Question 59

Heart and blood vessels are organs of what system?

Answer 59

The circulatory system

Question 60

List the levels of organization from most complex to least complex.

Answer 60

Organism, organ system, organ, tissue, cell, organelle, molecule, and atom

Question 61

Which bodily system is the easiest to see without an x-ray or body scanner?

Answer 61

The integumentary system

Question 62

Neurons and glial are cells of ____ tissue.

Answer 62

Nervous

Question 63

Smooth, cardiac, and skeletal are kinds of _____ tissue.

Answer 63

Muscle

Question 64

What are the 4 major types of tissues?

Answer 64

Connective, muscle, nervous, Epithelium

Question 65

Organisms that have a back bone are said to be

Answer 65

Vertebrates

Question 66

The outside boundary of an animal cell is the

Answer 66

Cell membrane

Question 67

To say epithelial tissue is simple means

Answer 67

The tissue is one cell layer thick

Question 68

Match the phyla with the organism. Porifera

Answer 68

Sponge

Question 69

Match the phyla with the organism. Echinodermata

Answer 69

Starfish

Question 70

Match the phyla with the organism. Mollusca

Answer 70

Bivalve

Question 71

Match the phyla with the organism. Arthropod

Answer 71

Insects

Question 72

Match the phyla with the organism. Chordata

Answer 72

Fish

Question 73

Match the phyla with the organism. Platyhelminthes

Answer 73

Tapeworm

Question 74

Match the phyla with the organism. Nematoda

Answer 74

Roundworm

Question 75

Match the phyla with the organism. Annelida

Answer 75

Earthworm

Question 76

Which class of animals makes up the most of the vertebrates?

Answer 76

Bony fish

Question 77

# Define what each class means. Osteichthyes

Answer 77

Bony fish

Question 78

# Define what each class means. Amphibian

Answer 78

Amphibians

Question 79

# Define what each class means. Aves

Answer 79

Birds

Question 80

# Define what each class means. Mammalia

Answer 80

Mammals