Science bju C4

Science bju C4

Print FlashCard
definition term
A theory stating that all living things are Made up of cells and thatthe cell is the smallest form to life. Cell theory
An instrument that uses lenses to magnify objects hundreds or of times Microscope
A man of considerable talent. English scientist that discovered the small empty chambers in dried cork in 1665. Robert Hooke
A group of organisms working together System
A term describing an organism consists of only one cell Unicellular organisms
a tiny structure inside the cytoplasm of muscles that help carry out the function of the cell Organelle
The cell system of passageways that allow material to move from one part of the cell to another Endoplasmic reticulum
A a green pigment that absorbs energy from the sunlight and uses it to produce food and energy for the plant Chlorophyll
Tight little bundles of DNA chromosomes
An organism made up of one cell. Can be seen only under a microscope. Unicellular organism
Different kinds of tissues working together. organ
Surrounds the cell and provides the external boundary for the material inside the cell. Also serves as a barrier that keeps out things that do not belong in the cell while allowing neccessary things, such as food and oxygen, to enter the cell. cell membrane
Jelly-like substance inside the cell membrane that is mostly water. Cytoplasm
a large, circular structure separated from the rest of the cytoplasm by its own membrane and contains DNA. nucleus
The coded instructions the cell follows. Contained in the nucleus. DNA
The cell's engines. Responsible for breaking down the cell's food and releasing energy. Mitochondria
The cell's transportation system. A system of passageways that allows material to move from one part of the cell to another. Endoplasmic reticulum
Responsible for making the proteins that the cell needs. They also carry out the instructions given to the cell by the DNA. Ribosomes
Bubble-like organelles in the cytoplasm of plant and animal cells. In animals, they store material until it is used by the cell or released outside the cell. In plants, they hold more than half the cell's water. Vacuoles
Provides support for the plant cell in addition to the cell membrane. Cell wall
Contain a large amount of chlorophyll. chloroplast
Developed an ordering system for classifying plants and animals according to common characteristics. Carolus Linnaeus
who observed that all living things are made of cells, but nonliving things are not. Theodor Schwann
Single celled organisms reproduce by ________.Ensures that two new cells will be the same as the parent cell. Mitosis
Multicellular organisms reproduce by ________.Produces special reproductive cells. Meiosis
Putting organisms with similar characteristics into groups. Classification
1. Eubacteria2. Arachaebacteria3. Protista4. Fingi5. Plantae6. Animalia 6 Kingdoms of Classification
KingdomPhylumClassOrderFamilyGenusSpecies 7 levels of classification

Leave a Reply

Your email address will not be published. Required fields are marked *