Review 1 Flashcards
producers that are able to make their own food by photosynthesis or chemosynthesis
autotrophs
consumers that must acquire energy from other organisms
heterotrophs
Name the two types of microscopes that will be used in Biology 102 Labs.
- Compound Light Microscope
2. Stereomicroscope
Where do you place a slide on a microscope?
in the mechanical stage clip, center the specimen on the slide over the hole in the stage
the science that describes, names, and classifies organisms, both living and extinct, based on shared characteristics
taxonomy
How are prokaryotic and eukaryotic cells different?
Prokaryotic- very small cells, lack nucleus and other membrane bound organelles;
Eukaryotic- cells have a nucleus and membrane bound organelles
Round bacterial cells in chains are called ___.
coccus
How long is iodine left on the slide during Gram staining?
about one minute
What does the ubiquity of bacterial and fungal spores mean?
They’re found almost everywhere.
Where are members of the genus Oscillatoria found?
freshwater, hot springs, brackish water, marine environments, wet soil
How can you control the amount of light coming through the microscope?
iris diaphragm
Which level of taxonomy contains the largest number of species?
Domain
What is the scientific name of humans?
Homo sapiens
By what process do bacterial cells divide?
binary fission
What is meant by Gram-negative bacteria?
The bacteria lose the crystal violet stain when the alcohol is applied.
