UNIT 8

Here we have the vocabulary and questions about Unit 8. Good luck!

1º ESO. UNIT 8. THE EARTH A LIVING PLANET.

VOCABULARY

Study the following vocabulary: writing and pronunciation:

WORD	MEANING
BIOMOLECULE
CELL PROKARYOTIC CELL EUKARYOTIC CELL
BIOELEMENT
OLIGOELEMENT
SUGARS
PROTEINS
FATS
NUCLEIC ACIDS
ORGANISM
UNICELLULAR
MULTICELLULAR
MEMBRANE
CITOPLASM
NUCLEUS
BACTERIUM BACTERIA
NUTRITION AUTOTROPHS HETEROTROPHS RELATIONS REPRODUCTION ASEXUAL SEXUAL
BIOSFERA
CELL TISSUE ORGAN SYSTEM

1. What are livings beings made of?
2. Compare inorganic and organic substances:

	INORGANIC SUBSTANCE	ORGANIC SUBSTANCE
MADE FIRSTLY OF CARBON
COMPLEXITY
PRESENT IN…

3. Write the function of:

a)     Sugars:___________________________________________________

b)     Proteins:__________________________________________________

c)      Fats:_____________________________________________________

d)     Nucleic acids:_____________________________________________

4.      Put two examples of

a)     Sugars:___________________________________________________

b)     Proteins:__________________________________________________

c)      Fats:_____________________________________________________

d)     Nucleic acid:______________________________________________

5. Made a sketch of the prokaryotic cell naming is parts.

6. Idem to eukaryotic cell.

7. Complete the chart:

	EUKARYOTIC CELL	PROKARYOTIC CELL
FOUND IN
SIZE
NUCLEUS
COMPLEXITY

8. Make a cell diagram: show the differences and similarities between animal and plant cells:

9. Did you know that?: “Robert Hooke was the first person to use the term cell. In 1665 with a microscope, he observed cavities in a thin slice of cork and called them cells”

10. What are the differences between tissues, organs and systems?

11. Match each one with a name and a description:

WHAT SHOULD YOU KNOW?

COMMON CHARACTERISTICS OF LIVING BEINGS: They are a similar _________________ composition; they are made up of ________________; They have three functions:___________________________________________________.

CELLS: Cells consists of a ____________________ membrane; a cytoplasm, it contains the __________________ (mitochondria, chloroplasts…); a _____________, this controls cell functions. They are various kinds of cells: _________________________ whit no nucleus and no nuclear membrane, ___________________ whit a nucleus and a nuclear membrane