Atom
Fundamental building block of all matter
Molecule
Two or more atoms
Cell
Basic form of life; smallest unit of life
Organ
A grouping of tissues engaged in a collective task
Tissue
Specialized cells organized in a pattern
Organelle
Structure that carries out a specialized metabolic fu...
A grouping of tissues engaged in a collective task
Tissue
Specialized cells organized in a pattern
Organelle
Structure that carries out a specialized metabolic function within a living cell
Organ System
A set of organs engaged in a collective task that keeps the body functioning properly
Organism
Individual that consists of of one or more cells
Population
Grouping of the same species
Community
All populations of all species in a given area; looks at interaction between the species
Ecosystem
All biotic and abiotic things; a community interacting with its environment
Biosphere
All ecosystems on the planet
*Gaia Theory: planet is one big organism
Characteristics of Life
,All living things:
1) Are made up of cells *
2) Have different levels of organization
3) Obtain and convert energy from environment *
4) Respond to their environment *
5) Get larger and more complex throughout life
6) Reproduce *
7) Adapt to their environment; Homeostasis *
What is the basic unit of life in all living organisms?
The cell
What is the process by which green plants produce their food using sunlight?
Photosynthesis
Which organelle is known as the powerhouse of the cell?
Mitochondria
What is the function of ribosomes in a cell?
Protein synthesis
What is the molecule that carries genetic information in most organisms?
DNA (Deoxyribonucleic Acid)
What is the process of converting glucose into energy called?
Cellular respiration
What is the semi-permeable structure surrounding the cell called?
Cell membrane
What is the fluid-filled space inside the cell that contains organelles called?
Cytoplasm
Which organelle is responsible for photosynthesis in plants?
Chloroplast
What is the process by which water moves across a semi-permeable membrane?
Osmosis
What term describes the movement of molecules from an area of high concentration to low concentration?
Diffusion
What are the building blocks of proteins?
Amino acids
What is the structural and functional unit of the nervous system?
Neuron
What is the name of the process by which cells divide to form identical daughter cells?
Mitosis
, What is the process by which organisms produce offspring called?
Reproduction
What is the primary pigment involved in photosynthesis?
Chlorophyll
What is the term for a group of similar cells that perform a specific function?
Tissue
What is the largest organ in the human body?
The skin
What is the name of the process by which the body maintains a stable internal environment?
Homeostasis
What are the two types of nucleic acids found in cells?
DNA and RNA
What is the term for organisms that can make their own food?
Autotrophs
What is the primary gas taken in by plants during photosynthesis?
Carbon dioxide
What is the waste product released by plants during photosynthesis?
Oxygen
What is the smallest bone in the human body?
The stapes (stirrup) in the ear
What are organisms called that depend on others for their food?
Heterotrophs
What is the main function of the red blood cells in the human body?
Transporting oxygen
What is the part of the brain responsible for coordinating voluntary movements?
Cerebellum
What is the organ responsible for filtering and purifying the blood in humans?
Kidneys
What is the molecule that acts as an energy currency in cells?
ATP (Adenosine Triphosphate)
What is the main function of white blood cells?
Fighting infections and protecting the body from pathogens
What is the term for the process by which a less specialized cell becomes a more specialized cell type?
Cell differentiation
What is the protein in red blood cells that binds oxygen?
Hemoglobin
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