<span>this is caused by a disease called basal cell carcinoma, because it causes ulcers and is slow to metastasize. Years of exposure to sunlight probably caused his cancer.</span>
B. Subgroups
<span>When constructing a dichotomous key, the first step is to look at the group of objects or organisms and separate them into two groups based on a single distinguishing characteristic. Then continue to separate each of the groups until each object has its own separate set of characteristics.</span>
The correct answer is adaptation.
Pollination refers to the procedure of transferring the pollen grain from the anther of a stamen to the stigma of a carpel. Some plants are amended for pollination by the wind, and some for pollination by insects.
The plants, which are adapted for pollination via insects exhibit colorful petals and nectar to attract the insects, and sticky pollen, which adheres to the insects when they visit the flowers.
