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Grade 12 First Sem Finals > Earth & Life Lesson 2 > Flashcards

Earth & Life Lesson 2 Flashcards

1
Q

Seven Characteristics of Life

A

Nutrition
Reproduction
Excretion
Growth
Movement
Respiration
Sensitivity

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2
Q

move from one place to another (locomotion or motility)

A

Movement

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3
Q

External factors or stimuli affect living things

A

Irritability / Sensitivity

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4
Q

reaction of an organism to respond appropriately against a stimuli

A

tropism or response

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5
Q

ability of an organism to respond appropriately against a stimulus

A

sensitivity or irritability

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6
Q

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

A

Growth

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7
Q

growth within the cells

A

Intussusception

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8
Q

growth by external addition of substances

A

Accretion

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9
Q

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

A

Development

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10
Q

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

A

reproduction

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11
Q

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

A

Sexual Reproduction

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12
Q

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

A

Asexual Reproduction

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13
Q

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

A

Deoxyribonucleic acid (DNA)

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14
Q

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

A

Heredity

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15
Q

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

A

Adaptation

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16
Q

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

A

Evolution

17
Q

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

A

Evolutionary adaptation

18
Q

“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.

A

Charles Darwin

19
Q

Organization of Life

A
  1. Chemical Level
  2. Cellular Level
  3. Tissue Level
  4. Organ Level
  5. Organ System Level
  6. Organism Level
20
Q

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

A

Chemical Level

21
Q

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

A

Cellular Level

22
Q

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

A

Tissue Level

23
Q

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

A

Organ Level

24
Q

different organs comprise an organ system with a specialized function

A

Organ System Level

25
Q

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

A

Organism Level

26
Q

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

A

population

27
Q

is an array of populations sharing their habitat?

A

Community

28
Q

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

A

ecosystem

29
Q

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

A

Biosphere

30
Q

The Three Domains of Life

A

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

31
Q

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

A

Domain Bacteria (The True Bacteria)

32
Q

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

A

Cyanobacteria (blue-green algae)

33
Q

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

A

Domain Archaea (Ancient Bacteria)

34
Q

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

A

Methanogens (methane-producing bacteria)

35
Q

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.

A

Domain Eukarya (Eukaryota)

36
Q
A

Grade 12 First Sem Finals (17 decks)

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