2.2

Question 0

Fossil record

Answer 0

The collection of fossils identified from different periods of time that can be interpreted from a hypothesis about e evolution of life on Earth

Question 1

Fossil

Answer 1

Preserved traces or remains of organisms that lived thousands or millions of years ago.

Question 2

Evolution

Answer 2

The development of new species over time through a process of natural selection

Question 3

Pendactyl

Answer 3

Five fingered

E.g. a human’s hand

Question 4

Growth

Answer 4

Increase in size, length and mass, as well as increase in cell number

Question 5

Percentile

Answer 5

The value of a variable below which a certain percentage of observations fall. For example, the 20th percentile of an ordered set of data indicates that 20% of the data points are the same or lower than this value

Question 6

Elongation

Answer 6

Getting longer (specifically in plants)

Question 7

Differentiate

Answer 7

Specialise, develop into different kinds, as in cells that become nerve, muscle or bone cells

Question 8

Stem cells

Answer 8

An unspecialised cell that can divide to produce more stem cells or different kinds of specialised cells

Question 9

Plasma

Answer 9

The liquid component of the blood that carries all the suspended cells and dissolved substances