Slides in this set

Slide 1

Preview of page 1

Triple Biology
Revision…read more

Slide 2

Preview of page 2

B7.1
Living organisms are
interdependent…read more

Slide 3

Preview of page 3

Energy from the Sun
· Thermal energy
· Light energy
­ plants absorb a tiny percentage to make
new materials in Photosynthesis
· Carbohydrates
· Fats
· Proteins…read more

Slide 4

Preview of page 4

Feeding
· Autotrophs ­ make their own food
­ Green plants
­ Non-green microorganisms
· Heterotrophs ­ can't make their own
food
­ Herbivores
­ Carnivores
­ Decomposers (feed on waste)…read more

Slide 5

Preview of page 5

Energy and mass in an ecosystem
· Trophic (feeding) level · Food chain
Tertiary consumer Flea
Secondary consumer Fox
Primary consumer Rabbit
Producer Grass…read more

Slide 6

Preview of page 6

Energy and mass in an ecosystem
· Pyramid of numbers · Pyramid of biomass
- no. of organisms at each - mass of organisms at
trophic level each trophic level
fleas fleas
fox fox
rabbits rabbits
grass grass…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

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all resources »