biology

Question 1

variations

Answer 1

Similarly, variation occurs within other animal
species, between plants, etc.

Question 2

discontinuous variables

Answer 2

Discontinuous variables are often described using words and have
specific answers (categoric data), such as:
eye colour;
hair colour;
tongue rolling.

Question 3

continous variables

Answer 3

Continuous variables are measurements that can take any value, such
as:
length (or height);
mass;
reaction time.

Question 4

what causes variation? (inheritance)

Answer 4

Some of our features are inherited from our
parents. This is passed through genes (small sections
of our DNA) from both parents that we
inherit when we are created.

Question 5

what causes variation? (environmental)

Answer 5

Some features are environmental factors: they are
affected by our surroundings and our behaviour.Some characteristics are affected by
both inheritance and the environment.