Greenhouse gasses, Carbon Dioxide, Water Pollution and Air Pollution and Wildfires
The correct answer is (b.) an increase in the width of the stem. The increase in the width of the stem could be referred to as the secondary growth of the stem. Whereas the primary growth is the upward growth of the plant.
Flowers and pollinating insects are examples of <span>coevolution. </span>
If the lizard was a less desirable female/male in a time where their gender outnumbered the other and therefore not all of them get a mate.
I believe the answer would be B.