Well the lizards might not feel threatened. when a lizard or chameleon change due to a chemical reaction in there skin it is made that way based off of the emotion that creates there skin to change colors, but it is a survival instinct so it happens due to there sense of danger <span />
<u>Answer</u>:
16 - light
17 - 
18 - 
19 - 
20 - sugar
The image describes the process of photosynthesis and the production of sugar through the Calvin cycle. Light is the energy source that drives this process through which, together with water molecules, chemical energy known as ATP is produced. This and NADPH, which is also produced during photosynthesis, are used to drive the Calvi Cycle. Here, by using atmospheric , sugars are produced. These are vital to the survival and growth of the plant. Oxygen is also released into the atmosphere as a result of photosynthesis.
Also called Birth rate. It is the member of children born per 1000 living persons per year.
Charles Darwin developed the idea of natural selection after a five-year voyage to study plants, animals, and fossils in South America and on islands in the Pacific. In 1859, he brought the idea of natural selection to the attention of the world in his best-selling book, On the Origin of Species.
