3.4 Energy in ecosystems Flashcards
1
Q
Name 3 ways energy is lost between organisms in a food chain.
A
Heat
Movement
Undigested materials
2
Q
What is a pyramid of numbers?
A
A diagram that shows the relative numbers of organisms at each stage in a food chain.
3
Q
What is a pyramid of energy?
A
A diagram that shows the relative quantities of energy at each stage in a food chain.
4
Q
which pyramid can sometimes have an inverted pyramid shape?
A
the pyramid of numbers. sometimes when a larger producer such as a tree has a lower population than the primary and secondary consumer then it can have an inverted pyramid shape.
