Answer:
<em>What are three measures of life variations?</em>
<em>Species diversity, genetic diversity, ecosystem diversity</em>
Explanation:
<em>Biodiversity</em>
<em>The amount of biological or living diversity per unit area. It includes the concepts of species diversity, habitat diversity and genetic diversity.</em>
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<span>It says: </span>Prokaryotic cells<span> have a simpler structure than eukaryotic </span>cells.<span> Evidence shows that eukaryotic </span>cells<span> evolved from </span>prokaryotic cells.<span> ... </span>Prokaryotes<span> have metabolic functions that eukaryotic </span>cells<span> lack.</span>
C. Sperm is produced in a male organism by meiosis
Answer:
A. lack both antigens A and B on their erythrocytes.
Explanation:
A person with blood type O would lack both antigens A and B on their erythrocytes.
Answer:
Sedimentary rock
Explanation:
All fossils are sedimentary rock. When an organism dies, layers of sediments pile on top of the organism, the sediments harden to become sedimentary rock. And for this reason, fossils cannot be igneous or metamorphic rock.