Digestive System & Food Molecules
What is the tube that carries food from the mouth to the stomach?
esophagus
What is the basic unit of a chemical element?
Atom
Who is known as the father of evolution?
Charles Darwin
What is the basic unit of heredity?
Gene
What is the type of energy that increases with height?
Potential Energy
What is the primary organ responsible for nutrient absorption?
small intestine
What is the full term that describes the energy stored in chemical bonds?
chemical potential energy
What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?
Natural Selection
What type of allele is expressed only when two copies are present?
Recessive Allele
What is the "Skin of the cell" that surrounds every cell called?
Cell membrane
Which nutrient is important to eat, but cannot be digested?
Fiber
What is the law that states matter and energy cannot be created nor destroyed only transformed?
law of conservation
What is the term for the gradual change in a species and the branching off of a new species over time?
Evolution
In a Punnett square, what do the letters outside the square represent?
The Parents' Alleles
What process that produces energy happens to atoms in the center of stars?
Nuclear Fusion
What enzyme in saliva begins the digestion of carbohydrates?
Amylase
What type of reaction absorbs heat from the surroundings?
an endothermic reaction
What are 3 selective pressures that influence adaptation and natural selection?
Do not get eaten
Eat
Find a mate
Survive the environment
What is the term for an organism's genetic makeup of alleles?
Genotype
What is the name of a cloud of gas from an exploded star where new stars are born?
Nebula
What is the scientific (not common) name of the molecule broken down into fatty acids and glycerol?
lipid
What is the correctly balanced chemical equation for hydrolysis?
2H2O ---> 4H2 + O2
What is it called when a few members of a species that have only a few specific traits are isolated from the rest of the species and all of their offspring now only have the limited amount of traits inherited from these isolated members?
The Founder Effect
What is the "factory of the cell" where RNA is read and protein is synthesized.
Ribosome
What part of a plant cell is responsible for photosynthesis?
Chloroplast