The direct effects of increased carbon dioxide (CO2) on plant growth refers to the change in plant grow with the levels of temperature, precipitation, evaporation and growing season at their present values. The indirect effects include the results of any changes in the other variables which affect plant growth that come as a result of the effect of increased CO2 on global climate.
The food chain, just from common knowledge, would be
fruit trees, birds, monkeys, tigers.
The fruit trees cannot prey on anything. The birds eat the fruit, the monkeys can catch birds and eat them, and the tigers can eat the monkeys.
Physical change hope this helps
It's absolutely false ! location of continent is the most important factor of its climate !