Kevin's Cards about Living Things 7th Grade

Question 1

What is a Cell

Answer 1

The Smallest structural unit that can carry out the functions of life.

Question 2

Homeostasis Definition

Answer 2

The maintenance of a stable internal enviroment

Question 3

Stimulus Definition

Answer 3

A change in an organism’s environment to respond to

Question 4

Biosphere

Answer 4

Collection of all Living Things

Question 5

What are the Characteristics of Living Things?

Answer 5

• Living things are made of 1 or more cells
• Living things obtain and use energy
• Living things grow and develop
• Living things reproduce
• Living things respond and adapt to their environment
• Livings things eliminate waste
• Move through a Life Cycle

Question 6

What is Response

Answer 6

An organisms reaction to their stimulus

Question 7

What do living things need

Answer 7

Water, Food, and Shelter

Question 8

Metabolism Definition

Answer 8

The process of breaking down nutrients from food and using them to build up other substances they need to survive.

Question 9

What are some examples of homeostasis in our body

Answer 9

Energy use, Regulation of Body temperature, The Breakdown of Food, and Waste Removal

Question 10

What is the body temperature of a Human

Answer 10

98.6℉ or 37.5℃

Question 11

Autotroph Definition

Answer 11

An organism that can make its on food

Question 12

Heterotroph Definition

Answer 12

An organism that can’t make its own food and relies on other organisms to survive

Question 13

Decomposer Definition

Answer 13

Break down & get energy from dead, organic matter

Question 14

What are all living things made up of

Answer 14

Matter

Question 15

Matter Definition

Answer 15

Anything with mass and takes up space

Question 16

Atom Definition

Answer 16

Basic building block of matter

Question 17

Element Definition

Answer 17

A substance made up of only one type of atom that can’t be broken down into a simpler substance and still maintains its properties

Question 18

Compound Definition

Answer 18

A substance made up of at least two different types of atoms chemically bonded

Question 19

Molecule Definition

Answer 19

Smallest amount of any substance, made up of 2 or more atoms chemically bonded together

Question 20

What are the 4 common elements to living things

Answer 20

Carbon, Hydrogen, Oxygen, and Nitrogen

Question 21

Where are the 4 common elements to living things found

Answer 21

They are found practically in every molecular compound of living organisms in different combinations.

Question 22

Which element is known as a principle element

Answer 22

Carbon

Question 23

Where is carbon found

Answer 23

In all large molecules that living things need to functions

Question 24

Why is carbon so unique

Answer 24

It is unique due to its ability to form 4 bonds and how easy it can easily bond with other elements like hydrogen, oxygen, nitrogen, and phosphorus. Also it can form bonds with other carbon atoms to form a large molecule

Question 25

How chemists classify molecules

Answer 25

By organic and inorganic

Question 26

Organic Molecules Definition

Answer 26

A compound containing carbon bonded to hydrogen and possibly other elements

Question 27

Inorganic Molecules Definition

Answer 27

A compound contain neither carbon nor hydrogen

Question 28

Why does the body need water

Answer 28

We need water to dissolve substances, maintain body temperature, and flows in body carrying nutrients

Question 29

What is the most abundant molecule in the human body

Answer 29

Water

Question 30

What happens when carbohydrates are broken down

Answer 30

They release energy so your body can use it

Question 31

What is the body's main source of fuel

Answer 31

Glucose (carbohydrate)

Question 32

What are lipids

Answer 32

Fats, oils, and cholesterol and are a source of energy

Question 33

What are Lipids function in the body

Answer 33

Form membranes around cells, release energy, maintain body temperature, and sometimes form hormones

Question 34

Enzyme Definition

Answer 34

A type of protein that speeds up chemical reactions

Question 35

Nucleic Acids Definition

Answer 35

The blueprints for your body

Question 36

What are 2 important Nucleic Acids

Answer 36

DNA and RNA

Question 37

How does the body use carbohydrates, lipids, and proteins and where do they come from

Answer 37

We use them as sources of energy and to function and they are found in the food we eat

Question 38

What are Proteins function in the body

Answer 38

Build body structure and control chemical reactions