Unit 1: Introduction to Biology Flashcards

1
Q

The latin root “Bio” and “Logy” combined literally means what?

A

Study of Life

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2
Q

What are the 7 properties of life?

A

Order, Response to Stimuli, Reproduction, Adaptation, Growth, Homeostasis, Energy Processing or Metabolism

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3
Q

What is order/organization?

A

Organisms are organized into either unicellular or multicellular life forms

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4
Q

What is response to stimuli?

A

Mechanism of responding to an environment. Ex: Plant bending towards light

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5
Q

What is reproduction?

A

Creating new life

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6
Q

What is adaptation and is it constant?

A

Changing genetic materials to survive changes in an environment. These are not constant since environments are always changing.

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7
Q

What is growth?

A

Organisms grow and develop according to specific instructions coded by their genes

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8
Q

What is homeostasis?

A

The relatively stable internal environment required to maintain life.

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9
Q

What is energy processing/metabolism

A

All organisms use a course of energy for metabolic activities which is what builds and destroys biological material

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10
Q

What are the levels of organization in order from smallest to largest?

A

Atom, Molecule, Organelles, Cells, Tissue, Organ, Organ System, Organism, Ecosystem, and Biosphere

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11
Q

What is an atom?

A

Smallest and most fundamental unit of matter that retains properties of an element

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12
Q

What is a molecule?

A

A chemical structure consisting of at least 2 atoms held together by a chemical bond

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13
Q

What is an organelle?

A

Small structures in cells that preform specific tasks

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14
Q

What is a cell?

A

The smallest fundamental unit of structure and function in living organisms.

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15
Q

What are tissues?

A

Groups of similar cells carrying out the same function

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16
Q

What are organs?

A

Collections of tissues grouped together based on a common funciton

17
Q

What is an organ system?

A

A higher level of organization that consists of functionally related organisms

18
Q

What is an organism?

A

Individual living entities

19
Q

What is a population?

A

All individuals of a species in a specific area

20
Q

What is a population?

A

All individuals of a species in a specific area

21
Q

What is a community?

A

Set of populations inhabiting an area

22
Q

What is an ecosystem?

A

Consists of all living things in an area

23
Q

What is an ecosystem?

A

Consists of all living and non living things in an area

24
Q

What is a biosphere?

A

A collection of all ecosystems

25
Q

What is the source of diversity?

A

Evolution

26
Q

Who proposed organizing species into hierarchal taxonomy and who proposed the bionomial naming system?

A

Carl Linnaeus

27
Q

What are the hierarchal taxonomies from low to high?

A

Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain

28
Q

What are the 3 domains of life?

A

Eukarya, Archaea, and Bacteria

29
Q

What is a Eukarya?

A

Organisms that have cells with nuclei

30
Q

What is an Archaea?

A

Single-celled organisms without nuclei

31
Q

What is a bacteria and what claims this as its origin?

A

Single-celled without nuclei and is the origin of Archaea

32
Q

What is the phylogenetic tree?

A

A diagram showing the evolutionary relationships among biological species based on similarities and differences in genetic/physical traits

33
Q

What are the 5 kingdoms of life?

A

Animals, Plants, Fungi, Protists, and Bacteria

34
Q

What is molecular biology?

A

Studies biological processes at a molecular level. Things like molecule interactions and proteins and their regulation

35
Q

What is microbiology?

A

Study of the structure and function of microrganisms

36
Q

What is nuerobiology?

A

Studies the biology of the nervous system

37
Q

What is paleontology?

A

Uses fossils to study life’s history

38
Q

What is zoology?

A

Study of animals and plants

39
Q

What is Bioethics?

A

A field in which researchers collaborate with other thinkers and organizations to define guidelines for current and future practices