energy in ecosystems 3.4

Question 1

what is a food chain

Answer 1

A food chain can show the relationship between different organisms in an ecosystem. They always begin with a green plant which produces its own food through the process of photosynthesis(producer)

Question 2

explain how much energy is lost from food chain and what

Answer 2

90% is lost through heat, movement and undigested materials

Question 3

explain how much energy you keep from food and what you use it for

Answer 3

you keep 10% of energy and use it for growth

Question 4

what is a pyramid of numbers

Answer 4

a pyramid of numbers shows the number of organisms(the population) in each level of a food chain

Question 5

explain the 2 exception for a pyramid of numbers

Answer 5

where the secondary consumer lives on top of the primary consumer like a tick, and when their is one big producer like a tree

Question 6

what is a pyramid of energy

Answer 6

a pyramid of energy shows the energy in each population in the food chain

Question 7

explain why a pyramid of energy is always the same shape

Answer 7

as the amount of energy lost in each level in the food chain never changes