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Biology

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Keeley Olson

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Cards in this guide (12)
What part of an atom has the least mass

This is the electron with a mass of 9,10938291.10(ex.-35) kg.

What are the remains of living things that have been preserved in the earth's crust

Fossils, although technically they are not preserved in the earths crust; the minerals in the bones and pore spaces have been replaced by other harder minerals which take much longer to weather.

There are a number of different fossilization processes. See this link :
How are Fossils Formed?

What is the ultimate source of genetic variation and the basis for the diversity of life on earth

mutation

What level of classification was developed because of prokaryote diversity

Domain

What type of resources are being used up or degraded by humans

nonrenewable

Why is it incorrect to say that you are evolving during your life

individuals do not evolve

What is responsible for most soil degradation in the prairies of the United states

Cropping systems encourage soil erosion and degradation of the soil.

Erosion

What term can be used to describe natural selection

That would be "Evolution".

Why do the widths of the stripes on the food pyramid vary

to show that some food groups need to be eaten more than others

Which of these sentences states why the DNA molecule differs from the RNA Molecule

RNA contains paired bases and DNA does not

Which statements are true of all scientific endeavors

Which statements are true of all scientific endeavors

Which of these is an example of macroevolution

Birds are thought to be direct descendents of reptiles

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