when light hits any matter it can be reflected, absorbed, or reflected
what causes light to be absorbed?
a organism with two different alleles for a trait.
what is a heterozygous organism
this a step in how you find valence electrons
you would get an atomic number and symbol?
this system helps the body to move and function
what is the muscular system?
If you hold your finger next to the flame on a candle like the one in the picture, you can feel the heat, but you will not get burned; however, if you hold your finger above the candle, you will get burned
does heat travel upward?
a tool used by biologists to predict the probability of an offspring inheriting specific genetic traits from their parents
what is a punnet square?
Chemistry is a branch of natural science that deals principally with the properties of substances, the changes they undergo
what is chemistry?
Cystic Fibrosis is an inherited disease that causes a build-up of excessive mucus in organs within the body. Cystic Fibrosis can be life threatening
what is Cystic Fibrosis?
longitude, elevation, nearness to water and all of these things affect wheather
what effects whaether?
A gene is the basic physical and functional unit of heredity and a specific part of DNA
what is a gene?
the mitochondria generates most of the chemical energy
what is the powerhouse of the cell?
carry oxygen and nutrients throughout the body
what does blood do?
rain, cloudiness, and thunderstorms
what does low pressure cause
A dominant allele masks a recessive allele.
what are dominant vs recessive traits?
different variants of a particular chemical element that have the same number of protons (atomic number) but a different number of neutrons in their nucleus
What are isotopes?
sudden release of built-up stress along faults in the Earth’s crust
what causes earthquakes?
23 pairs of chromosones
how many chromosomes does a person has?