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23 Cards in this Set
- Front
- Back
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Scientists often use experiments to test their ____________
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Hypothesis
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_______ is defined as the amount of space something occupies.
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Volume
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A life scientist would use a ________________ microscope to magnify a living specimens.
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Compound light
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A set of related hypothesis that are supported by evidence may become accepted as a _______
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Theory
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____________ is the use of knowledge, tools, and materials to solve problems and accomplish tasks.
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Technology
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What is one thing you might find a life scientist studying?
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How wasps can be used to control fire ant population.
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When researchers use the ________________, they should repeat or switch the order of steps as needed.
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Scientific Method
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A scientist who wants to study the possible side effects if a new medicine would probably...
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Include a control group that received no medicine.
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Which tool would a life scientist use to obtain a detailed image of the nerves that branch off a person's spinal cord?
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an MRI.
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In the cell membrane, __________ molecules form two layers.
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Phospholid
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When a planarian worm is cut in half, each half develops into a whole worm. this is an example of __________________.
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Asexual reproduction
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____________ are sometimes called the blueprints of life.
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Nucleic acids.
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___________ is the passing of traits from one generation to the next.
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Heredity
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____________ refers to all of the chemical activities that an organism's cells perform.
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Metabolism
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________ is a complex carbohydrate manufactured by plants.
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Starch
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When a duck dives underwater, its inner eyelids automatically raise to cover the duck's eyes. In this case, the water acts as a _____________.
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Stimulus
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The molecule that provides energy for cellular processes is
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ATP
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The subunits of proteins are
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Amino acids
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Cells do not use ____________ for energy storage.
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Nucleic acids. (They use fats, oils, carbohydrates, etc...)
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A life scientist who observes the relationships between plants, animals, weather, and soil on a mountaintop is studying an ___________.
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Ecosystem.
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_____________ are not found in plant cells.
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Lysosomes
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All _______ cells contain cellulose
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Plant
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The __________________ of a cell manufactures lipids.
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Endoplasmic Reticulum(or ER).
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