Life

Question 1

How much of a jellyfish is made of water?

Answer 1

90 %

Question 2

What do scientists look for on Mars to reveal life?

Answer 2

Water.

Question 3

What are the characteristics of life?

Answer 3

Metabolism
Reproduction
Growth
Irritability
Motion

Question 4

How much of a plant is made of water?

Answer 4

75 %

Question 5

What is Nutrition?

Answer 5

Nutrition is how an organism obtains food.

Question 6

What is the first part of metabolism?

Answer 6

Nutrition

Question 7

What is Biology?

Answer 7

Biology is the study of life.

Question 8

What is the first characteristic of life?

Answer 8

Metabolism

Question 9

What is the second part of metabolism?

Answer 9

Digestion

Question 10

What is digestion?

Answer 10

Your body breaking down food to the size of molecules.

Question 11

What are the parts of metabolism?

Answer 11

Nutrition
Digestion
Respiration
Synthesis

Question 12

How long does digestion take if you eat a meal?

Answer 12

4-5 hours.

Question 13

What is the final destination of the food you eat?

Answer 13

Every living cell in your body.

Question 14

What happens to the cells if they don’t get nutrition?

Answer 14

The cells will die.

Question 15

What is the third part of metabolism?

Answer 15

Respiration.

Question 16

What is respiration?

Answer 16

Respiration is the changing of food (carbs) into energy.

Question 17

What does energy do?

Answer 17

Energy drives chemical reactions in your body.

Question 18

What is the fourth step of metabolism?

Answer 18

Synthesis.

Question 19

What is synthesis?

Answer 19

Synthesis is the use of the rest of your food and energy to create bigger structures.

Question 20

What is the second characteristic of life?

Answer 20

Reproduction.

Question 21

What is reproduction?

Answer 21

Reproduction is an organism’s ability to duplicate.

Question 22

What are the two types of reproduction?

Answer 22

The types of reproduction are asexual and sexual reproduction.

Question 23

What is asexual reproduction?

Answer 23

Reproduction by one parent.

Question 24

How do the children of asexual reproduction look compared to their parents?

Answer 24

They look exactly the same. They are clones.

Question 25

What is sexual reproduction?

Answer 25

Reproduction by two parents.

Question 26

What percent of their parents is a child of sexual reprodcution?

Answer 26

50% one parent, and 50% the other.

Question 27

Which type of reproduction is better?

Answer 27

It depends on the circumstance. Sexual reproduction is better for changing environments. Asexual reproduction is better for non-changing environments.

Question 28

What is the third characteristic of life?

Answer 28

Growth.

Question 29

What is growth?

Answer 29

Growth is an increase in size due to synthesis reactions.

Question 30

What is the fourth characteristic of life?

Answer 30

Irritability.

Question 31

What is irritability?

Answer 31

Irritability is the ability to react to environmental changes.

Question 32

What is the fifth characteristic of life?

Answer 32

Motion.

Question 33

What is motion?

Answer 33

Motion is the ability to move under your own power.

Question 34

What are the two major types of getting nutrition?

Answer 34

Autotrophism and Heterotrophism.

Question 35

What are autotrophs?

Answer 35

Autotrophs are organisms that make their own food.

Question 36

What are heterotrophs?

Answer 36

Heterotrophs are organisms that eat other organisms.

Question 37

What are the two ways of autotrophism?

Answer 37

Chemosynthesis and Photosynthesis.

Question 38

What is chemosynthesis?

Answer 38

Chemosynthesis is using chemical energy to make food.

Question 39

What is photosynthesis?

Answer 39

Photosynthesis is using light energy to make food.

Question 40

What are the different types of heterotrophs?

Answer 40

Parasites, Saprotrophs, and Holotrophs.

Question 41

What is a parasite?

Answer 41

Parasites are organisms that steal food from a host.

Question 42

Do parasites have a digestive system?

Answer 42

Parasites do not have a digestive system.

Question 43

Which part of metabolism do parasites skip?

Answer 43

Parasites skip digestion.

Question 44

Is chemosynthesis common?

Answer 44

Chemosynthesis is very rare.

Question 45

What organism is an example of an organism that uses chemosynthesis?

Answer 45

Sulfer Bacteria.

Question 46

What organism is an example of an organism that uses photosynthesis?

Answer 46

An oak tree.

Question 47

What is a saprotroph?

Answer 47

Saprotrophs are organisms that feed off of other dead organisms without using a mouth.

Question 48

Does a saprotroph go through internal or external digestion?

Answer 48

A saprotroph goes through external digestion.

Question 49

What are two examples of saprotrophs?

Answer 49

Fungi and most bacteria.

Question 50

Which type of heterotroph causes decay?

Answer 50

Saprotrophs cause decay.

Question 51

What is a holotroph?

Answer 51

Holotrophs are organisms that ingest whole cells using a mouth.

Question 52

Does a holotroph go through internal or external digestion?

Answer 52

A holotroph goes through internal digestion.

Question 53

What is an example of a holotroph?

Answer 53

Human beings.

Question 54

What is an example of a parasite?

Answer 54

Tape worms