FOOD CHAIN

A food chain is made up of several levels: PRODUCERS, CONSUMERS and DECOMPOSERS.

SPELLING - PAST SIMPLE

We are studying the Past Simple and some IRREGULAR VERBS. On Wednesdays SPELLING.
This week, we review:

be - was/were
become - became
begin - began
break - broke
build - built
burn - burnt/burned
buy - bought
catch - caught
choose - chose
come - came
cost - cost
cut - cut
do - did
draw - drew
dream - dreamt/dreamed
drink - drank
drive - drove
eat - ate

Natural S. U3 - THE BIOSPHERE

VOCABULARY UNIT 3

biodiversity                gregarious               prey
commensalism           host                        producer
consumer                  mutualism               wildlife
cooperation               parasitism                food chain
decomposer               predator                  food web