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47 terms

Biology I - Vocab

STUDY
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Meter
The basic unit of length
0 °C
The freezing point of water in celsius
Volume
The amount of space that an object takes up
Cubic meter
The unit of volume
Mass
The amount of matter an object contains
Density
The measurement of how much matter is packed into a given volume
Celcious
The metric unit for temperature
100
The boiling point of water in Celsius
Millimeter
The smallest unit for measuring length
Lead
This material has very high density
State the problem/ procedure
What do you want to find out and what experiment will you perform?
Hypothesis
What is a logical answer to your question or what do you think will happen?
Record data
What information did you gather?
Analyze data
What did you find out by doing the experiment?
Homeostasis
The ability of an organism to keep their temperature the same
Compition
The struggle for living things over living space
Endothermic
Using food energy to maintain a steady body temperature
Ectothermic
Using the sun's energy to provide warmth because they cannot
Cells
Every living thing is made up of
Stimulos
A change that occurs in the environment such as light, pressure, odors, and temperature
Adaptation
An organism's ability to live and reproduce successfully in its environments
Reproduce
The process by which an organism produces more organisms like themselves
Nucleus
Part of the cell that is the control center and it also contains chromosomes
Cell wall
Provides structure and support for the plant cell
Cytoplasm
The jelly-like substance inside a cell
Vacuole
A giant lake in the middle of the cell that contains water and nutrients
Endoplasmic Reticulum (ER)
art of the cell that acts as a highway for chemicals
Mitochondria
The power house of the cell that produces energy
Ribosomes
Part of the cell that makes protein
Golgi Bodies
Parts of the cell that stores and releases chemicals for the cell
Chloroplast
The green part found only in the plant cell that makes food for the cell using the suns energy
Lysosomes
Part of the cell that is found only in animal cells and helps them break down large food
Diffusion
The movement of particles from an area high concentration to an area of low concentration
Selective permeable
When certain types of substances pass through the cell membrane more easily than other
Passive transport
Process of moving materials across a membrane that requires no energy
Active transport
Process of moving materials across a membrane that requires energy
Osmosis
Diffusion of water from an area of high concentration to an area of low concentration
Photosynthesis
The process of plants taking in sunlight to produce glucose and oxygen
Mitosis
The process of cells dividing
Chlorophyll
A liquid that absorbs sunlight and gives plants their green color
Chloroplast
These are found in plant cells and are where photosynthesis happens
Chromosomes
This is part of the cell that contains the DNA and replicate during mitosis
Interphase
Centrioles form and chromosomes replicate
Prophase
Centrioles move to form two poles
Metaphase
Chromosomes line up on the equator ready to split
Anaphase
Chromosomes separate during this stage moving apart
Telophase
Two nuclear membranes form and the cells split