Unit 7 Quiz

Question 1

What are the characteristics of all living things?

Answer 1

1. All living things are made of cells
2. All living things maintain homeostasis
3. All living things grow and develop
4. All living things have DNA
5. All living things have cellular respiration
6. All living things reproduce
7. All living things can adapt to their environment
8. All living things change over time.

Question 2

What is Lytic Virus Cycle

Answer 2

It is a shorter cycle in which a virus enters a cell; it replicates, assembles, destroys cell (lysis), and new viruses spread.

Question 3

What is Lysogenic Virus Cycle

Answer 3

It is a longer cycle in which a virus enters the cell, remains inside of the cell(months, years, decades) recombines with cell’s DNA, and once activated by a stressor it will enter the lytic virus cycle.

Question 4

What is a negative feedback loop?

Answer 4

Reduces the effect of a change, helps maintain stability (if you are cold, add heat. If you are hot, loose heat)

Question 5

What is a positive feedback loop?

Answer 5

Amplify the initial change, until a certain outcome is achieved (childbirth)

Question 6

Which two systems aid in Nutrient Absorption and Transport?

Answer 6

Circulatory and Digestive

Question 7

Esophagus

Answer 7

Is a tube that connects your mouth to your stomach.

Question 8

Stomach

Answer 8

breaks down food using digestive enzymes.

Question 9

Villi

Answer 9

absorbs nutrients from digested food.

Question 10

Small Intestine

Answer 10

Breaks down macromolecules

Question 11

Large Intestine

Answer 11

Restoration of water and elimination of waste.

Question 12

Liver

Answer 12

Breaks down harmful substances

Question 13

Kidneys

Answer 13

Filters excess water

Question 14

Heart

Answer 14

Pumps blood

Question 15

Arteries

Answer 15

Moves blood away from heart

Question 16

Veins

Answer 16

Bring blood back

Question 17

Capilllaries

Answer 17

Transports nutrients and oxygen to cells.

Question 18

What is the role of liver in Nutrient Absorption and transport

Answer 18

Produces bile to break down fats and it breaks down harmful substances.

Question 19

What is the difference between sexual and asexual reproduction

Answer 19

Asexual: One parent has genetically identical offsprings.
Sexual: Two parents produce genetically different offspring.

Question 20

What systems work together in sexual reproduction

Answer 20

reproductive and Endocrine

Question 21

Zygote

Answer 21

Sperm + egg

Question 22

Gonads

Answer 22

Reproductive organs that reproduce gamete cells.

Question 23

Estrogen and Progesterone

Answer 23

Regulates female reproductive development and function

Question 24

Testosterone

Answer 24

Regulates male reproductive development

Question 25

Hypothalamus

Answer 25

Releases hormones that regulate development of sperm and egg.

Question 26

Uterine Contractions

Answer 26

Contractions during childbirth to help deliver the baby.

Question 27

Which two systems work together in regulation

Answer 27

Nervous and Endocrine

Question 28

Cerebrum

Answer 28

Largest part of the brain, where you think, reason, store memories.

Question 29

Cerebellum

Answer 29

Regulates coordination

Question 30

Medulla

Answer 30

Controls involuntary processes (pressure and heart rate)

Question 31

Hypothalamus

Answer 31

Controls body temperature.

Question 32

Thyroid

Answer 32

Regulates metabolism growth and development via hormones.

Question 33

Pancreas

Answer 33

Produces digestive juices and insulin.

Question 34

Diaphragm

Answer 34

Contracts and expands to pull and push air out of lungs.

Question 35

Trachea

Answer 35

Acts as passageway for air.

Question 36

Which systems work together in defense?

Answer 36

Skeletal, muscular, integumentary, immune, and lymphatic systems.

Question 37

Tendon

Answer 37

Facilitating movement around a joint.

Question 38

Ligaments

Answer 38

Connects bone together.

Question 39

Bones

Answer 39

Provide the body with support

Question 40

Bone Marrow

Answer 40

Releases blood cells.

Question 41

Epidermis

Answer 41

Outermost Layer of the skin.

Question 42

Dermis

Answer 42

Supports and protects skin.

Question 43

Sweat glands

Answer 43

Control body temperature

Question 44

T cells

Answer 44

Removes cancer cells

Question 45

B cells

Answer 45

produces antibodies

Question 46

lympathic

Answer 46

drains excess fluids from the body.

Question 47

Integumentary system

Answer 47

Outer layer of the body

Question 48

Muscular System

Answer 48

To enable movement by contracting muscles.

Question 49

Skeletal System

Answer 49

To provide structural support for the body.

Question 50

Nervous System

Answer 50

To send messages from various parts of your body to your brain, and from your brain to your body to tell your body what to do.

Question 51

Circulatory System

Answer 51

Transport oxygen and nutrients to cells throughout the body.

Question 52

Respiratory System

Answer 52

To bring oxygen into the body, and remove carbon dioxide.

Question 53

Digestive system

Answer 53

Break down food into small, absorbable nutrients.

Question 54

Endocrine System

Answer 54

Releasing hormones into the blood stream

Question 55

Lympathic/immune system

Answer 55

Protects the body from infections and removes waste and excess fluids.

Question 56

Excretory/Urinary System

Answer 56

Removes waste and excess fluids from the body through urine.

Question 57

Reproductive system

Answer 57

Enables the production of offspring by producing sex cells and supporting fertilization.

Question 58

Dermal Tissue in plants

Answer 58

Covers the outside of the plant, protects the plant, and does gas exchange, located on the stoma.

Question 59

Ground Tissue in plants

Answer 59

Inside the plant, for support, store materials.

Question 60

Vascular Tissue in plants

Answer 60

Innermost layer, transports nutrients water and minerals (Xylem and Phloem)

Question 61

Shoots system

Answer 61

Everything above ground, support and assist in photosynthesis (leaves, stems, flowers)

Question 62

Roots System

Answer 62

Below ground parts, anchor the plant in the ground.

Question 63

Xylem

Answer 63

Transports water and minerals from the roots.

Question 64

Phloem

Answer 64

Transports glucose and carbohydrates from the leaves to the rest of the plant.

Question 65

Tropisms

Answer 65

Thigmo-touch photo-light hydro-water geo/gravito- earth and gravity