The bottom of the pyramids are the producers and primary consumers and the top are the secondary and tertiary consumers. The bottom is bigger because it gives all the primary consumers 10% of their energy, the primary consumers give off 10% of their energy to the secondary and so on. The bottom represents how much energy is started off with and by the time you get to the tertiary consumers there is little energy left and that’s why the top is smaller.
Answer:
1. it protects other organs and tissues from infection and disease
2. for this one is should be the first and second one
Explanation:
Hi there!
Give me a little bit more information and then we can get somewhere.
Who are we referring to?
What is he building?
Thanks!
~Brooke❤️
It's C.
All chemical reactions will always need activation energy.