The Science Of Life
What is the difference between asexual and sexual reproduction?
Asexual produces genetically identical offspring
Sexual produces a 50-50 combination of both parents
What are the three main parts of an atom?
Protons, neutrons & electrons
What is the difference between a producer and a consumer?
Producers make their own food
Consumers eat producers or other consumers
What are the three main parts of the cell theory?
1. All living things are made of cells
2. Cells are the basic unit of structure in living things
3. Cells come from pre-existing cells
What is the criteria of all living organisms?
- Cells
- Growth & development
- Metabolism & energy
- Homeostasis
- Sense & respond to stimuli
- DNA & reproduction
What liquid would be pH level 7?
What is the difference between biotic and abiotic factors?
Biotic is living parts of the ecosystem
Abiotic is non-living parts of the ecosystem
How many fatty acids do phospholipids and regular lipids have?
Phospholipids have 2 fatty acids
Regular lipids have 3 fatty acids
What is the difference between observation and inference?
Observation is what you currently see
Inference is based on prior knowledge & experience
How many elements are on the periodic table?
118
What is the difference between a habitat and niche?
Habitat is where an organism lives
Niche is an organism's role in the environment
Who are the four scientists who contributed to the creation of the cell theory?
Robert Hooke, Matthias Schleiden, Theodor Schwann, & Rudolf Virchow
Describe the two types of observation
Quantitative involves numbers (counting, measuring)
Qualitative is not easily measured (color, texture)
What are the six elements that make up most living matter?
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, & Sulfur
What are the five levels of organization in the study of ecology?
Population, Community, Ecosystem, Biome, & Biosphere
Which mediums can osmosis and diffusion operate in?
Osmosis can only function in a liquid medium
Diffusion can occur in all 3 mediums (solid, liquid and gas)
Descibe the scientific method
a method of procedure consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification
What is the difference between saturated and unsaturated fats?
Unsaturated has at least one double bond between carbon atoms
Descibe the differences between mutualism, commensalism, and parasitism.
Mutualism - both benefit
Commensalism - 1 benefits and 1 isn't effected
Parasitism - 1 benefits and 1 is harmed
Name the twelve major life functions that cells do
Ingestion, digestion, respiration, transport, homeostasis, synthesis, secretion, excretion, egestion, irritability, movement, & reproduction