Voacabulary N°4

1. Virus: a chromosome-like part surrounded by a protein coat.

2. Host: an organism that provides food for a parasite.

3. Parasite: an organism that lives in or on another living thing and gets food from it.

4. Interferon: a chemical substance that interferes with the way viruses reproduce.

5. Vaccine: substances made from weakened or dead viruses that protect you against certain diseases.

6. Bacteria: very small, one-celled monerans.

7. Colony: a group of similar cells growing next to each other that do not depend on each other.

8. Capsule: a sticky outer layer produced by bacteria.

9. Flagellum: a whiplike thread used for movement by bacteria.

10. Fission: the process of one organism dividing into two organisms.

11. Asexual reproduction: the reproducin of a living thing from only one parent.

12. Endospore: a thick-walled structure that forms inside a bacterial cell.

13. Saprophyte: organisms that use dead materials for food.

14. Decomposer: living things that get their food from breaking down dead matter into simpler chemicals. 

15. Koch´s postulates: steps for proving that a disease is caused by a certain microscopic organism.

16. Communicable Disease: those that can be passed from one organism to another.

17. Antibiotic: chemical substances that kill or slow the growth of bacteria.

18. Biotechnology: the use of living things to solve practical problems.

19. Pasteurization: the process of heating milk to kill harmful bacteria.

20. Blue-green bacteria: small, one-celled monerans that contain chlorophyll and can make their own food.

Vocabulary N°3

1. Classify: to group things together based on their similarities.

2. Trait: a feature that a thing has.

3. Kingdom: the largest group of living things.

4. Phylum: the largest group within a kingdom.

5. Class: the largest group within a phylum.

6. Order: the largest group within a class.

7. Family: the largest group within an order.

8. Genus: the largest group within a family.

9. Species: the smallest group of living things; a group of living things that can breed with other of the same species and form fertile offspring.

10. Scientific name: the genus and species names together.

11. Moneran: one-celled organisms that don´t have a nucleus.

12. Protist: mostly single-celled organisms that have a nucleus and other cell parts.

13. Fungi: organisms that have cell walls and absorb food from their surrounding.

14. Plant: organisms that are made up of many cells, have chlorophyll, and can make their own food. 

15. Animal: organisms that have many cells, can´t make their own food , and can move.

Vocabulary N°2

1.       Reproduce: to form offspring similar to the parents.

2.       . Development: all the changes that occur as a living thing grows.

3.       Consumers: living things that eat, or consume, other living things

4.       Producers: living things that make, or produce, their own food.

5.       Cellular Respiration: the process by which food is broken down and energy is released.

6.       Cell: the basic unit of a living thing.

7.       Adaptation: a trait that makes a living thing betterable to survive.

8.       Cell Membrane: the cell part that gives the cell shape and holds the cytoplasm

9.       Nucleus: the cell part that controls most of the cell´s activities.

10.   Nuclear Membrane: a structure that surrounds the nucleus and separates it from the rest of the cell.

11.   Nucleolus: the cell part that help make ribosomes.

12.   Chromosome: cell parts with information taht determines what traits a living thing will have.

13.   Cytoplasm: the clear, jellylike material between the cell membrane and the nucleus that makes up most of the cell.

14.   Ribosome: cell parts where proteins are made.

15.   Mitochondria: cell parts that produce energy from food that has been digested.

16.   Vacuole: a liquid-filled space that stores food, water, and minerals.

17.   Centriole: cell parts that help with cell reproduction.

18.   Chloroplast: cell parts that contain the green pigment, chlorophyll.

19.   Cell Wall: the thick, outer covering outside the cell membrane.

20.   Diffusion: the movement of a substance from where there is a large amount of it.

21.   Osmosis: the movement of water across the cell membrane.

22.   Tissue: a group of similar cells that work together to carry out a special job.

23.   Organ: a group of tissues that work together to do a job.

24.   Organ System: a group of organs that work together to do a certain job.

25.   Organism: a living thing.

Vocabulary N°1

  Biology: Biology is a natural science concerned with the study of,organisims including their structure, function, growth, origin, evolution, distribution, and taxonomy.

 Light Microscope: it employs visible light to detect small objects.

Stereomicroscope: are really two compound microscopes which focus on the same point from slightly different angles.

International System of Units: is the modern form of the metric system and is generally a system of units of measurement devised around seven base units and the convenience of the number ten.

Meter: intended to be one ten-millionth of the distance from the Earth's equator to the North Pole.

Volume: is how much three-dimensional space a substance (solid, liquid, gas, or plasma) or shape occupies or contains.

Kilogram: The kilogram is defined as being equal to the mass of the international prototype kilogram.

Celsius: Celsius a scale and unit of measurement for temperature.

Scientific Method: Scientific method refers to a body of techniques for investigating phenomena.

 

Hypothesis: is a proposed explanation for an observable phenomenon.

Experiment: are used by people all the time, whether it's testing the effects of a drug, or trying to cook something new.

Variable: a symbol that represents a quantity in an algebraic expression.

Control: a device used to control something.

Data: The term data refers to qualitative or quantitative attributes of a variable or set of variables.

Theory: refers to contemplation or speculation, as opposed to action.

Technology: is the usage and knowledge of tools.