Chapter 1: Themes Of Study In Biology Flashcards

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1
Q

What are the seven properties of life?

A

1: Order
2: Reproduction
3: Growth and Development
4: Energy Processing
5: Response to the Environment/Stimulus
6: Regulated internal environment
7: Evolutionary Adaption

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2
Q

How can life be defined?

A

If it has all of the 7 characteristics of life then it is alive

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3
Q

What is the biosphere?

A

All of the environments on Earth that support life

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4
Q

What is an ecosystem?

A

An area consisting of not only living organisms, as well as all the no living things the organisms interact with.

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5
Q

What is a community?

A

All the living organisms in an area

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6
Q

What is a population?

A

All the animals of a particular species living in a certain area

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7
Q

What is an organism?

A

A single living being

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8
Q

What is an organ system?

A

A group of organs working together

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9
Q

What is an organ?

A

Different types of tissue that work together to perform a task

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10
Q

What is a tissue?

A

A group of similar cells that help perform a function

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11
Q

What is a cell?

A

The smallest unit of life, all living things are made of cells

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12
Q

What is an organelle?

A

A membrane enclosed structure that performs a task within the cell

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13
Q

What is a molecule?

A

A cluster of atoms

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14
Q

What are prokaryotic cells?

A

The first type of cell to evolve, much simpler than eukaryotes, they do not have a nucleus

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15
Q

What are eukaryotic cells?

A

Second type of cell to evolve, more complex, membrane bound organelles, nucleus

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16
Q

What is systems biology?

A

Understanding how something works based on the interactions of its parts.

17
Q

Why are cells the smallest unit of life?

A

They are the first to have all the properties of life.

18
Q

What is DNA?

A

Hereditary information that controls how a cell acts.

19
Q

How are genes and DNA connected

A

DNA is the chemical substance of genes

20
Q

How are genes organized?

A

They are grouped into chromosomes.

21
Q

Bacteria

A
  • consists of prokaryotic cells
  • single cells
  • microscopic
22
Q

What are archaea

A
  • prokaryotes
  • single celled
  • microscopic
  • live in extreme environments
23
Q

What are protists?

A
  • Eukaryotes

- Single celled

24
Q

What are Plantae?

A
  • Plant kingdom

- Consists of photosynthetic eukaryotic plants

25
Q

What are Animilia?

A
  • multicelled
  • eukaryotic
  • eat their own food
26
Q

What are Fungi?

A
  • eukaryotes
  • multi celled
  • dissolve nutrients for food
27
Q

What is evolution?

A

The theory that all life evolved from a single ancestor, however over time adapted certain characteristics which made them more suitable for survival

28
Q

What is natural selection?

A

The theory that species that were best created for survival reproduce and give their children the same characteristics, over time certain traits are passed down