Slides in this set

Slide 1

Preview of page 1

B2 Revision
Understanding Our Environment…read more

Slide 2

Preview of page 2

Artificial ecosystems can be carefully
Woodlands and lakes are natural
Greenhouses are artificial ecosystems
Fish farms are artificial ecosystems used to
rear fish
Many ecosystems are still unexplored…read more

Slide 3

Preview of page 3

Classification is organizing living organisms
into groups
Living things can be plants, animals, fungi,
bacteria or protoctista
Vertebrates have backbones
Invertebrates have no backbones…read more

Slide 4

Preview of page 4

The binomial system gives everything a two-
part name
Things of the same species can breed to
produce fertile offspring
Unrelated species may have similar features
Keys are used to identify creatures…read more

Slide 5

Preview of page 5

Estimate population sizes using a quadrat
Estimating population sizes using mark-
Two important points about these methods:
> Sample size affects the accuracy of the estimate
> The sample may not be representative of the
population…read more

Slide 6

Preview of page 6

Photosynthesis produces glucose from
Glucose is converted into other substances
> Respiration
> Store in seeds
> Making proteins
> Making cell walls
> Stored as starch…read more

Slide 7

Preview of page 7
Preview of page 7

Slide 8

Preview of page 8
Preview of page 8

Slide 9

Preview of page 9
Preview of page 9

Slide 10

Preview of page 10
Preview of page 10


No comments have yet been made

Similar Biology resources:

See all Biology resources »