Biology 9 > Chapter 1 exploring life > Flashcards

Chapter 1 exploring life Flashcards

(50 cards)

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1
Q

Biology

A

The scientific study of life and living organisms

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2
Q

Emergent properties

A

complex characteristics or functions that appear in a whole system but aren’t present in its individual parts, arising from the interactions and arrangements of those simpler components as complexity increases.

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3
Q

Atoms

A

The smallest units of matter that retain the properties of an element

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4
Q

Molecules

A

Two or more atoms chemically bonded together

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5
Q

Cell

A

The smallest unit of life capable of carrying out all vital functions

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6
Q

Organism

A

An individual living thing

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7
Q

Tissue

A

A group of similar cells that work together to perform a specific function

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8
Q

Organ

A

A structure made of multiple tissues working together to perform a particular function

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9
Q

Organ system

A

A group of organs that cooperate to carry out major bodily functions

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10
Q

Population

A

A group of individuals of the same species living in the same area

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11
Q

Community

A

All the populations of different species living and interacting in an area

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12
Q

Ecosystem

A

A community of living organisms interacting with their physical( non-Living) environment

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13
Q

Biosphere

A

All ecosystems on Earth the regions where life exists

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14
Q

Energy

A

The capacity to do work or cause change

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15
Q

Nutrient

A

A chemical substance required by an organism for growth and survival

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16
Q

Dna

A

The molecule that stores genetic information in living organisms

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17
Q

Development

A

The process by which an organism grows and changes over time

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18
Q

Growth

A

An increase in size or number of cells

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19
Q

Reproduction

A

The process by which organisms produce new individuals

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20
Q

Inheritance

A

The transmission of genetic traits from parents to Offspring

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21
Q

Biodiversity

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A

the variety of life in a particular ecosystem or on Earth as a whole

22
Q

Nucleus

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A

a membrane-bound organelle in eukaryotic cells that contains DNA

23
Q

Bacteria

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A

Single celled prokaryotic organisms with no nucleus

24
Q

Archaea

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A

A group of prokaryotic organisms genetically distinct from bacteria often living an extreme environments

25
Prokaryote
An organism who cell lacks a nucleus and membrane-bound organelles
26
Eukaryote
An organism who cells contain a nucleus and membrane-bound organelles
27
Protists
Diverse eukaryotic organism that are not plants animals or fungi
28
Fungi
Eukaryotic organisms that absorb nutrients and have cell walls made of chitin
29
Plants
Multicellular eukaryotes that perform photosynthesis
30
Animals
Multicellular eukaryotes that obtain energy by consuming other organisms
31
Science
A way of knowing that relies on observation experimentation and evidence
32
Hypothesis
A testable and falsifiable explanation for an observed phenomenon
33
Prediction
A specific testable outcome expected if a hypothesis is correct
34
Experiment
A controlled procedure designed to test a hypothesis
35
Variables
Factors that can change in an experiment
36
Independent variable
The variable that is deliberately changed by the experimenter
37
Dependent variable
The Variable that is measured as the outcome of the experiment
38
Experimental group
The group exposed to the independent variable
39
Control group
The group used for comparison that does not receive the independent variable
40
Data
Recorded observations or measurements collected during an experiment
41
Scientific method
A systematic process used to investigate questions and test hypothesis
42
Observation
The act of Gathering information using the senses or tools
43
Quantitative
Data based on numerical measurements
44
Qualitative
Data based on descriptions and characteristics
45
Theory
A well supported explanation based on extensive evidence and testing
46
Technology
The application of scientific knowledge for practical purposes
47
Evolution
Change in populations over Generations due to genetic variation
48
Natural selection
A process in which organisms with advantageous traits are more likely to survive and reproduce
49
Gene
A segment of DNA that codes for a specific trait or protein
50
Gene expression
The process by which information in a gene is used to produce a functional product such as a protein
Biology 9
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