B2.2 Keywords
B2
18
Auxin
(2) -
B2
:2
Plant hormones that cause cells to grow.
Tropisms
(2) -
B2
:2
The growth of a plant towards or away from a particular stimulus.
Controlled by physical blocks that stop sperm from entering the female system.
(1) -
B2
:1
Barrier contraception
(1) -
B2
:1
Hormone
(1) -
B2
:1
A chemical messenger that travels through the cells.
Hormones
(1) -
B2
:1
Chemical messengers that travel in the bloodstream.
Hormonal contraception
(1) -
B2
:1
Controlled by chemicals that travel through the bloodstream.
Evaluation
(1) -
B2
:1
Criticism of the investigation to see how effective the method was.
Precision
(1) -
B2
:1
How close two or more measurements are to each other.
Fertility
(1) -
B2
:1
How likely someone is to produce viable offspring.
Validity
(1) -
B2
:1
How well the results answer the aim.
Contraception
(1) -
B2
:1
Methods of preventing pregnancy that are either chemical or physical.
Uterus
(1) -
B2
:1
The part of the female reproductive system where a fertilised egg will mature into fetus.
Puberty
(1) -
B2
:1
The period at which an organism begins to mature into an adult.
Reproduction
(1) -
B2
:1
The process of creating offspring from one or two parents.
Germination
(1) -
B2
:1
The start of growth in a seed.
Seed
(1) -
B2
:1
The unit of reproduction of a flowering plant.
Conclusion
(1) -
B2
:1
a judgement or conclusion reached after investigation.