Chapter 1: Biology in Our Everyday Lives

Bioengineering And Life Sciences 101 with Shoemaker at Colorado School of Mines

About this deck

By: Jennifer Brush
Textbook:

Campbell Essential Biology with Physiology (3rd Edition)

Environmental Science: Toward a Sustainable Future
Created: 2010-12-14
Size: 27 flashcards
Views: 921

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Biology

the scientific study of life.

Science

any method of learning about the natural world that follows the scientific method

Emergent Property

"the whole is greater than the sum of its parts"

Adaptation

product of natural selection

Natural Selection

a process in which organisms with certain inherited characteristics are more likely to survive and reproduce than are organisms with other characteristics

differential reproductive success

What is the lowest level of organization that shows all the properties of life?

a cell

Ecosystem

the interactions between organisms and their environment

Name Two Dynamics of an Ecosystem

The cycling of nutrients

The flow of energy

Biosphere

all the environments on Earth that support life

soil, oceans, lakes, other bodies of water, and the lower atmosphere

Within an ecosystem, ________ are recycled, whereas ________ flows through.

nutrients

energy

Cycling of Nutrients

the passage of nutrients through the trophic levels

The Flow of Energy

the process of energy conversions between and within organisms where some energy is converted to heat, which is then lost fromt he system.

Two major kinds of cells

prokaryotes

eukaryotes

Prokaryotes

simpler and smaller

normally comprise the cells of ubiquitous microoganisms called bacteria

Eukaryotes

subdivided by internal membranes into many different functional compartments, or organlles

What to prokaryotes and eukaryotes have in common?

DNA

Plantae (method of obtaining food)

produce their own sugars and other foods by photosynthesis

Fungi (method of obtaining food)

decomposers: obtaining food by digesting dead organisms

Animalia (method of obtaining food)

ingesting (eating) and digesting other organisms

Evolution

"descent with modification"

Artificial Selection (definition and examples)

the selective breeding of domesticated plants and animals by humans

examples: crops and dog breeding

Domain and Kingdom Chart

Prokaryotes- Domain Bacteria, Domain Archaea

Eukaryotes- Domain Eukarya

Kingdom- Plantae, Fungi, Animalia

Protists

Discovery Science

describing nature through verifiable observations and measurements based on inductive reasoning

Hypothesis Driven Science

explaining nature by asking questions and experimentation and deductive logic

Hypothesis

a proposed explanation for a set of observations

Properties of Life

Order

Regulation

Growth and Development

Energy Utilization

Response to the environment

Reproduction