Birds need a lot of food for energy.
yes
earthworms and birds are not equipped to chew food
All animals (including birds) need to eat. The food that they need is provided for them by their parents while they are young. However when they grow up they ALL have to look for (hunt for) food themselves.
Birds need to consume lots and lots of food so it will have enough energy to fly. If it didn't consume enough food it would be too tired to fly
Extra food for energy.
it is mutualism because the birds need the plant for food and the plants need the bird to help it grow
during photosynthesis
They need: extra clothes Fresh water Food Things to trade Weapons
Birds do not need to exchange their money. They just exchange the food qualities with the other biological beings.
There is no set amount of food that all birds must eat in a single day. Bigger birds need more food than smaller birds.
Teenagers generally eat more food than adults. They need more energy from food because they need extra energy for growing. An adult has already finished growing, so they do not need the extra food, and it is usually just stored as fat.