Food Chains and Food Webs

Question 1

What is a food chain?

Answer 1

way of showing feeding relationships in an ecosystem

Question 2

What are trophic levels?

Answer 2

different stages in a food chain

Question 3

What is a food web?

Answer 3

shows the interconnection feeding relationships between food chains

Question 4

What are ecological pyrimads?

Answer 4

represent the relative amount of organisms in the food chain

Question 5

What are the two main types of ecological pyrimads?

Answer 5

pyramids of number
pyramids of biomass

Question 6

What is pyramid of number?

Answer 6

represents number of organisms in each trophic level, without their mass

Question 7

What is pyramid of biomass?

Answer 7

represents mass of organisms in each trophic level, without their numbers

Question 8

What is the flow of energy diagram?

Answer 8

shows how energy is transferred in an ecosystem

Question 9

What percentage of energy is passed on to the next trophic levels?

Answer 9

10% of energy is passed on to the next trophic level

Question 9

What percentage of energy is passed on to the next trophic levels?

Answer 9

10% of energy is passed on to the next trophic level

Question 10

What do microorganisms do through the ecosystem

Answer 10

they break down complex larger molecules into sumpler substances and release into the environment