Bio 111 Chapter 1 & 2

Define biology

• Study of the environment

• Study of life

• Study of matter

• Study of humans

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Evolution is defined as

• method of gaining knowledge

• process by which population change over time

• controlling all of the variables in an experiment.

• interrelation between structure and function

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A dog starts to pant when it gets hot. Describe the characteristics of life demonstrated here.

• All organisms reproduce.

• All organisms have a genetic code.

• All organisms do regulates their body at optimum level.

• All organisms respond to stimuli.

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When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.

• All living things use energy
• All living things contain cells
• All living things maintain homeostasis
• All living things grow

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Select the FALSE statement about modern cell theory

• Cells can arise only by division from a preexisting cell.

• All organisms are composed of one or more cells.

• Cells can derive the tissue in the organ of living organism.

• The cell is the structural unit of life for all organisms.

"Group of organism of one type that live in the same area" is referring to

• Organism

• Ecosystem

• Community

• Population

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neutral particle

• Proton

• nucleus

• neutron

• Electron

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Has a positive charge

• Proton

• Neutron

• Nucleus

• Electron

Smallest subatomic particle

• Proton

• Neutron

• Nucleus

• Electron

Element with different # of electrons

• Isotope

• Ion