Motion & Forces
This force pulls objects toward the centre of the Earth.
What is gravity?
In DNA, adenine pairs with this base.
What is thymine?
Darwin’s observations on this group of birds in the Galápagos Islands helped him form his theory of evolution.
What are finches?
A permanent change in the DNA sequence of a gene is called this.
What is a mutation?
In natural selection, individuals with traits better suited to the environment tend to do this more successfully.
What is reproduce?
At the centre of every known galaxy, you’ll find this massive object.
What is a black hole?
This term describes alleles that are the same, such as BB or bb.
What is homozygous?
This term describes a trait that improves an organism's chances of survival and reproduction.
What is an adaptation?
The colour red
What is the colour of light if the object is moving away from you? (Redshift)
According to Newton, force equals this.
What is mass times acceleration?
A reaction that releases heat is described as this type of process.
What is exothermic?
The process of modifying an organism's DNA using technology.
What is biotechnology? / What is genetic engineering?
Similar bone structures in the limbs of humans, bats, and whales suggest this type of evolutionary relationship.
What is common ancestry?
A massive explosion signaling the death of a massive star.
What is a supernova?
Elements in this group are the most highly reactive nonmetals.
What are halogens? What are group 7 elements?
The physical expression of a gene, such as eye colour or height, is called this.
What is a phenotype?
This type of evolution occurs when unrelated species evolve similar traits, like wings in birds and bats.
What is convergent evolution?
The term for radiation left over from the early stages of the universe, detectable as a faint glow.
What is cosmic microwave background radiation?