What is a homozygous vs. heterozygous organism?
An organism is homozygous if it has two identical alleles for a trait (e.g., or) and heterozygous if it has two different alleles (e.g., ).
What is a tectonic plate?
A massive, irregularly shaped slab of solid rock composed of continental and oceanic lithosphere.
He made The lightbulb
Who is Thomas edison
The smallest unit of an element that retains its properties, composed of protons, neutrons, and electrons.n Atom?
What is an atom
force oppose motion of an object past another wit which
what is friction
What do Punnett squares predict?
What is Convergent Boundary
Plates collide, leading to subduction (one plate diving under) or mountain building.
He made the phonograph
Who is Tohmas edison
Which particle has a negative charge
The Electron
How is the gender of a human child determined?
Males have XY chromosomes and females have XX. If a male's X chromosome combines with the female's X, a girl is born. If the male's Y chromosome combines with the female's X, a boy is born.
Where is new crust formed?
At divergent boundaries, often called mid-ocean ridges.
He came up with the theory of evelution and natural selection
Who is Charles Darwin
What is the chemical formula for water?
H2O
What causes genetic disorders?
Genetic disorders can be caused by mutations or the inheritance of specific, often recessive, alleles.
Who proposed Continental Drift?
Alfred Wegener in 1912.
He came up with the therory of gravity
Who is Issac newton
What are the three common states of matter?
Solid, liquid, and gas.
What happens when an organism inherits a dominant and a recessive allele?
The dominant allele determines the phenotype (the trait expressed), masking the recessive allele.
What is a Divergent Boundary
Plates move away from each other, forming new crust
He came up with astronimy
Who is Galieo Galile
What is a chemical change?A change that results in the formation of new substances.
What is a chemical change?