Independent variable: is the UV light exposure
Control group: people not exposed (sample b)
Dependent variable: skin cancer
Experimental group: (sample A)
Answer:a MONOCOT
Explanation: Monocots are plants with one cotyledons in their seeds.monocots are flowery plant ,which makes them angiosperms.
Dicots are also angiosperms but they contain two cotyledons in their seeds.
Monocots have parallel venation-the vascular bundles runs down the leaf singly and do not branch.
These leaves of Monocots are alternately arranged on the stem.
The petals of Monocots flowers are arranged in groups of three's.
The pollen grain of Monocots are pollen grains of monocots are monosulcate.the pollen grains have a single slit, which opens to allow the the growth of the pollen tube during fertilization .
Answer:
by fossil dna
Explanation:
it is too easy for a sciencetist
The cytoplasm in a single-celled organism and the circulatory system in a human both transport substances throughout the organism