Adaptation Variation Inheritance DNA Flashcards
1
Q
what do most cells in your body have
A
a nucleus
2
Q
what is DNA made of
A
a long coiled up length of a molecule
3
Q
what is DNA
A
a long list of instructions on how to build an organism
4
Q
what is a gene
A
a short section of a chromosome
5
Q
where do inherit characteristics from
A
our parents
6
Q
what does hereditary mean
A
when genes are passed down
7
Q
what shape is DNA
A
a double helix
8
Q
why do organisms show variation
A
because of a difference in their genes
9
Q
what does biodiversity mean
A
the variety of different species on earth
10
Q
what are characteristic features
A
a difference in a species eg height, hair colour
11
Q
what is it called when characteristics change in a species
A
natural selection
