Water Properties
when the weight of a liquid or solid water that composes the clouds become too heavy
what is precipitation?
The number of planets in the solar sytem
What is eight?
Contains three principles:
arise from existing cells, all living composed of living cells, cells are the basic unit of life
What is Cell theory?
The two types of ecosystems
What are terrestrial and aquatic?
The process in which a species changes over time
What is evolution?
The two types of erosion by which rocks are broken down
What is chemical and mechanical weathering?
Twice a year when the sun directly parallels the earth causing in twelve hours of darkness and twelve hours of sunlight
What is an equinox?
The organelle responsible for protein synthesis
What is ribosomes?
An organism that requires only sunlight to make it's own food
What is a producer?
Similar structures that evolved from a common ancestor
What are homologous structures?
The type of rock where most fossils can be found in
What is sedimentary rock?
These are the four layers of Earth's atmosphere
what are the troposphere, stratosphere, mesosphere and thermosphere?
What is mitosis?
The last step in a food chain - an organism that digests other dead organisms
what is a decomposer?
The process by which humans have selected specific genetic factors for a species
What is artificial selection?
The variable that is changed during a scientific experiment
What is independent?
The amount of distance that light travels in one year
What is a lightyear?
The process by which sunlight, carbon dioxide and water is used to make glucose
What is photosynthesis?
A scientific name is comprised of two components
The process of two species becoming more and more similar as time goes on
What is convergent evolution?
What is a front?
Jupiter, Saturn, Uranus, and Neptune are examples of these types of planets
What are gas giants?
The final phase of mitosis where the chromosomes move to either side of the cell - the phase before cytokinesis
What is Telophase?
Many different food chains can be organized into one large
What is a food web?
A random change in the DNA sequence of a gene which results in a change in the resulting trait
What is a mutation?