Quiz 1 Flashcards
What is biology?
the study of life
Name the 7 properties of life.
- order 2. regulation 3. growth and development 4. energy processing 5. response to environment 6. reproduction 7. evolution
What is the lowest level of life that exhibits all of life’s characteristics?
the cell
Name the levels of life from highest to lowest.
biosphere ecosystem community population organism organ system organ tissue cell organelle molecule/atom
Define biosphere.
all ecosystems on Earth; abiotic and biotic
Define ecosystem.
habitat with multiple species; abiotic and biotic
Define community.
group of organisms living in specific place
Define population.
organisms of same species
Define organism.
individual living thing
Define organ system.
two or more organs
Define organ.
group of tissue performing same function
Define tissue.
group of specialized cells
Define cell.
basic building block of life
Define organelle.
parts of cells performing same function
Define molecule/atom.
basic unit of matter
What is an example of an ecosystem?
tundra
What is an example of a community?
Rabbit Pond
What is an example of a population?
humans
What is an example of an organism?
a cat
What is an example of an organ system?
endocrine system
What is an example of an organ
liver
What is an example of a tissue?
epidermis
What is an example of a cell?
neuron
What is an example of an organelle?
mitochondrion
What is an example of a molecule/atom?
deoxyribonucleic acid/hydrogen
What is an example of order?
pinecone
What is an example of regulation?
maintenance of body temperature
How does growth and development occur?
through the use of DNA, a universal genetic code
What is an example of energy processing?
a puffin eats fish to power swimming and other locomotion
What is an example of response to environment?
a venus fly trap closes its leaves in response to insect’s touch
What is an example of reproduction?
hippos make a new generation of hippos
What is an example of evolution?
a katydid gains camouflage abilities suited to its environment through natural selection for these traits over time
What is the magnification on the scanning objective?
4x
What is the magnification on the low power objective?
10x
What is the magnification on the high power objective?
40x
What is the TOTAL magnification of scanning?
40x
What is the TOTAL magnification of low power?
100x
What is the TOTAL magnification of high power?
400x
What is the magnification on the ocular lens?
10x
What is the diameter of the field of view under scanning?
4mm=4000 microns
What is the diameter of the field of view under low power?
2mm=2000 microns
What is the diameter of the field of view under high power?
0.5mm=500 microns
How many millimeters are in a centimeter?
10mm
How many millimeters are in a meter?
1000mm
How many centimeters are in a meter?
100cm
How many meters are in a kilometer?
1000m
