B17

Question 1

what is a food chain

Answer 1

the sequence of organisms within a habitat that are dependant on each other for a source of food

Question 2

what are autotrophs

Answer 2

an organism which is able to make its own food

Question 3

what is an insectivore

Answer 3

an organism which feeds an insect or invertebrates

Question 4

what are decomposers

Answer 4

an organism which breaks down dead plants and animals and waste and returns nutrients back into the soil

Question 5

Give the steps to the decay cycle

Answer 5

1- an animal eats a plant
2- it dies or excretes faeces
3- decomposers break down the dead bodies to minerals
4- these minerals get taken up by trees
5- carbon dioxide is also produced in this process which gets taken in by trees

Question 6

give me the labels of animals and plants in a food chain

Answer 6

1- producer
2- primary consumer
3- secondary consumer
4- tertiary consumer

Question 7

what are detrivores

Answer 7

animals which start the decay process. these animals include maggots

Question 8

give me the steps to the water cycle

Answer 8

1- evaporation
2- condensation
3- precipitation
4- transpiration and respiration

Question 9

what are the steps to the carbon cycle

Answer 9

1- plants take up co2 from the atmosphere
2- plants are eaten by animals
3- animals respire
4- animals excrete faeces and faeces is decomposed down
5- animals die and are broken down by decomposers
6- decomposers respire releasing co2
7- combustion of fossil fuels releases co2

Question 10

what are the steps to the rates of decay practical

Answer 10

https://www.youtube.com/watch?v=LeH5FUKSPzU