Vocabulary
These harness the sun's energy, storing it in molecules that can be eaten
Producers
This is an organism that breaks down organic matter
Decomposers
This scientist experimented with rotting meat and maggots. He showed that organisms don't spontaneously generate randomly. He concluded "all life comes from life"
Redi
Composed of all life on Earth
Biosphere
Neeham & Spallanzani worked with what substance?
Mutton gravy
The outdated theory that living things could suddenly arise from living things
Spontaneous generation
This type of reproduction results in genetically identical offspring
Asexual
This scientist boiled mutton gravy in sealed tubes and afterward observed microorganisms in the tubes. These observations supported spontaneous generation.
Needham
This is the fundamental unit of life & why
Cell, exhibits the 6 characteristics of life
This type of microscope can image living microorganisms and cells. Uses 2 lens. Not much detail.
Compound light microscope
The theory that unicellular organisms can continuously form out of non-living materials
Archebiosis
The response of a population to changing environmental conditions over several generations
Adaptation
This scientist replicated Needham's experiment, but used hermetically sealed tubes and boiled the gravy for longer. He did not observe the microorganisms.
Spallanzani
What happens in the results from an experiment do not align with the hypothesis?
-Redo experiment
-Analyze Hypothesis
-New fact
-Reconsider theory
Uses a beam of electrons to form an image. Can see cells and much smaller structures. 3D black and white images
Scanning electron microscope
Abiogenesis
Specialized cells working together to perform a specific function
Tissue
This scientist used a swan-necked flask and did 3 sets of experiments to measure the appearance of microorganisms. Strongly supported Redi's biogenic theory.
Pasteur
Cell & Organ
Define between a Theory and a hypothesis
A theory is a representation that accounts for a large number of scientific facts in an organized way. Hypotheses are informed predictions based on theories.
Describe homeostasis & give an example
Continuous stimulus/response pattern that keeps an organism within life-sustaining limits
Composed of hundreds of thousands of atoms
Biomolecule
Tyndall
In the levels of organization "community" is sandwiched in-between what other levels
Population & Ecosystem
Give an example of a cell type, tissue, organ, and organism