Earth & Life Lesson 2

Question 1

Seven Characteristics of Life

Answer 1

Nutrition
Reproduction
Excretion
Growth
Movement
Respiration
Sensitivity

Question 2

move from one place to another (locomotion or motility)

Answer 2

Movement

Question 3

External factors or stimuli affect living things

Answer 3

Irritability / Sensitivity

Question 4

reaction of an organism to respond appropriately against a stimuli

Answer 4

tropism or response

Question 5

ability of an organism to respond appropriately against a stimulus

Answer 5

sensitivity or irritability

Question 6

it is an increase in size and volume by converting food to become a part of body cells

Answer 6

Growth

Question 7

growth within the cells

Answer 7

Intussusception

Question 8

growth by external addition of substances

Answer 8

Accretion

Question 9

starts with birth and ends in death and all living things have ways of making sure that their species survive

Answer 9

Development

Question 10

process which genetic information is passed on from one generation to another

Answer 10

reproduction

Question 11

two individuals contributing their sex cells to produce a unique individual of their kind

Answer 11

Sexual Reproduction

Question 12

occurs when an organism makes copies of itself usually in lower life form.

Answer 12

Asexual Reproduction

Question 13

used as a physical carrier of the transferred genetic information that is passed from parent to offspring by a process called sexual reproduction.

Answer 13

Deoxyribonucleic acid (DNA)

Question 14

animals, plants, and microorganisms carry the common genetic material DNA, which is the molecule of life that carries the instructions for assembling the proteins responsible for forming a variety of structures

Answer 14

Heredity

Question 15

it is the ability to adjust to changes in the environment.

Answer 15

Adaptation

Question 16

refers to the changes in characteristics of a group of organisms (population) over time.

Answer 16

Evolution

Question 17

gradual or rapid change in body structure or behavior to be better suited and to survive a new environment.

Answer 17

Evolutionary adaptation

Question 18

“On the Origin of Species by Means of Natural Selection” in 1859. Fossils and other evidence document the evolution of life on Earth over billions of years.

Answer 18

Charles Darwin

Question 19

Organization of Life

Answer 19

1. Chemical Level
2. Cellular Level
3. Tissue Level
4. Organ Level
5. Organ System Level
6. Organism Level

Question 20

a unit of matter that comprises a chemical element. A smallest particle of an element.

Answer 20

Chemical Level

Question 21

is the basic organizational unit of life it is simplest organization of matter that exhibits the properties of life

Answer 21

Cellular Level

Question 22

level in which different cell types are joined together to form a structure called ______?

Answer 22

Tissue Level

Question 23

different kinds of tissues are joined to form a structure of a body called _______?

Answer 23

Organ Level

Question 24

different organs comprise an organ system with a specialized function

Answer 24

Organ System Level

Question 25

an organism is made up of different organ systems with individualized but coordinated functions

Answer 25

Organism Level

Question 26

the organism interacts with other organisms of the same kind known as _________?

Answer 26

population

Question 27

is an array of populations sharing their habitat?

Answer 27

Community

Question 28

These communities exist in an environment affected by both living and nonliving components known as__________?

Answer 28

ecosystem

Question 29

make up all ecosystems on Earth whether they support life on land, water, or lower atmosphere

Answer 29

Biosphere

Question 30

The Three Domains of Life

Answer 30

Bacteria (prokaryotes) Archaea (prokaryotes) Eukarya (eukaryotes)

Question 31

Also known as eubacteria, or simply bacteria has very sturdy cell walls and simpler genome structure. It is the most present day bacteria

Answer 31

Domain Bacteria (The True Bacteria)

Question 32

is one type of photosynthetic eubacteria that has been vital in the history of life of earth.

Answer 32

Cyanobacteria (blue-green algae)

Question 33

Also known as archaebacteria, derived from the Greek word for “ancient ones”. It Comprise the first stages of life on earth.

Answer 33

Domain Archaea (Ancient Bacteria)

Question 34

grow only in an oxygen-free environment because oxygen poisons them. It lacks of peptidoglycan (a protein cross-linked carbohydrate material).

Answer 34

Methanogens (methane-producing bacteria)

Question 35

It came from the Greek words for “true” and “nucleus”, because they possess an internal structure called a nucleus that encloses most of their genetic material.

Answer 35

Domain Eukarya (Eukaryota)