D. The initial breakdown of glucose to pyruvic acid. It's the first step of cellular respiration, and also happens to be an anaerobic stage. Hope this helps! :)
The correct answer is option D
The places that has most extreme temperatures are desert and tundra.
The Desert region is known for its hot and dry climatic conditions. The temperature there is very high all around the year and the surviving there is a very difficult task. The plants and animals living there has some adaptations that helps them to live in the hot climate.
The Tundra region is known for its cold climate and the plants there is shrubs, herbs and the animals have some adaptations that helps them to live in cold climate.
The right answer is true.
Producers (also called primary producer) are the only living things to be able to occur alone. All other living beings must feed on organic matter in order to be able to manufacture the material of which they are made, which is why biology reserves the name of PRODUCERS to a single category of living beings, plants.
Energy can neither be created nor destroyed.
Energy can only be changed from one form to another.