One major difference between members of domain eukarya and members of domain archea is that members of domain eukarya
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are all single-celled, while members of archea are multi-celled.
have cell nucleuses, while members of archea do not.
are autotrophs, while members of archea are heterotrophs.
All of these choices are correct.

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.

Which individual below would be considered heterozygous? a.dd b.dd c.dd