Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology > Introduction to Biology > Flashcards

Introduction to Biology Flashcards

1
Q

State the 7 issues pertaining to biology

A

1.Understanding Biological Diversity

2.Understanding the human body and its functions

3.Understanding plant life

4.Understanding diseases and causes

5.Sustainable use and management of natural resources and environment

6.Sustainable Food Production

7.Solving some legal and ethical issues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When was the earth formed?

A

Around 3.5 Billion years ago

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Describe the 1st formed organism

A

Heterotrophic
Anaerobic
Prokaryotic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How many species are there in the world now?

A

10 million - 100 million species

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a part of biologically diverse earth?

A

The variety of life on earth

The no. of species of plants, animals and microorganisms

The diversity of genes of these species

The different ecosystems on earth (such as deserts, rainforests and coral reefs)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are natural resources?

A

Natural resources are the sources of materials and energy found naturally which are used in everyday life and economic development

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How do overuse of natural resources take place?

A

Due to the increase of growth rate of human population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the various environmental problems that arise as a result of the over-exploitation of natural resources?

A

Environmental Pollution
Loss of biodiversity
Desertification

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How do you overcome environmental problems that arise as a result of the over-exploitation of natural resources?

A

Management of natural resources and the environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is sustainable food production?

A

The production of sufficient amounts of food for the human population using environmentally safe methods

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the methods that can be applied to maintain sustainable food production based on knowledge in biology?

A

Production of high yielding varieties of plants and animals

Production of disease resistant varieties of plants and animals

Improving post-harvest technology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Why is understanding plant biology important?

A

To produce high yielding plants, disease resistant plants, etc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the non-communicable diseases that exist in the world now?

A

Cancers
Heart Diseases
Diabetes
Chronic Renal Diseases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the communicable diseases that exist in the world now?

A

AIDS
Dengue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are some legal issues that can be solved using the knowledge and application of biological concepts?

A

Parentage Testing

In criminal investigations

To solve immigration Disputes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the criteria organisms are diverse based on?

A

Size
Shape
Form
Habitat

17
Q

How do sizes vary in living organisms?

A

Bacteria - 1um - 5um

Giant Sequoia (Giant Red Wood) - 100m

18
Q

How do shapes vary in living organisms?

A

Cylindrical (earthworm)
Streamline shape (fish and birds)

19
Q

How do forms vary in living organisms?

A

Unicellular (Amoeba)
Multicellular (any plant or animal)

20
Q

How do habitats vary in living organisms?

A

Terrestrial
Aquatic
Arboreal
Aerial

21
Q

What are the characteristics of organisms?

A

Order and Organization

Growth and Development

Irritability and Coordination

Heredity and Evolution

Adaptation

Metabolism

Reproduction

22
Q

Name some systems organized in upper levels methodically?

A

Human eyes
Plant leaves

23
Q

What is metabolism?

A

The sum of all chemical activities taking place in an organism is metabolism

It includes all anabolic and catabolic reactions

24
Q

What is growth?

A

The irreversible increase in dry mass which is characterized only by the living

25
Q

What is development?

A

Irreversible changes that occur during the lifespan of an organism

26
Q

What are the two consequent processes that happen in an organism’s lifespan?

A

Growth and Development

27
Q

What is irritability?

A

The ability to respond to stimuli from both the internal and external environment

28
Q

What is the result of irritability and coordination?

A

Movement

29
Q

What are the systems involved for movement?

A

Skeletal system
Muscular system
Nervous system
Hormonal system

30
Q

What is adaptation?

A

The peculiarity in structure, physiology, or behavior that promotes the likelihood of an organism’s survival and reproduction in a particular environment

31
Q

Give 3 examples for adaptation

A
  1. Sunken stomata in xerophytes
  2. Viviparity in some mangroves
  3. Splayed out foot of camels
32
Q

Give 3 examples for adaptation

A
  1. Sunken stomata in xerophytes
  2. Viviparity in some mangroves
  3. Splayed out foot of camels
33
Q

What is reproduction?

A

The ability to produce offspring for the continuous existence of a species

34
Q

What is heredity?

A

Organisms have genes that pass from one generation to the next and control specific physiological, morphological, and behavioral characters of organisms. This is heredity.

35
Q

What is evolution?

A

Ability of organisms to change over time as a result of genetic modification

36
Q

What are some living characteristics non-living entities display?

A

Crystals grow

Waves move

37
Q

What is the hierarchical level of organization?

A

Molecules – Organelles – Cells – Tissues – Organs – Organ Systems –

Organisms – Populations – Communities – Ecosystems – Biosphere

Biology (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions