Topic 1 & 2-Cells & Systems

Question 1

What are the six characteristics of living things?

Answer 1

Are made of cells
Need energy
Grow and develop 
Respond to the environment 
Reproduce
Have adaptions for their environment

Question 2

Organisms

Answer 2

All living things

Question 3

Capillaries

Answer 3

A network of thin, hair-like vessels connecting arteries and veins in lung tissues.

Question 4

Tissue

Answer 4

A group of specialized cells.

Question 5

Cell wall

Answer 5

Outer covering of a cell that provides strength and support.

Question 6

Cell Membrane

Answer 6

Thin structure the encloses all the contents of plant and animal cells.

Question 7

Nucleus

Answer 7

Organelle that directs all activities in the cell. Holds DNA and decides which proteins are going to be made. The “brain” of the cell

Question 8

Chloroplast

Answer 8

Organelle that converts sunlight into food. Only in plant cells.

Question 9

Golgi Apparatus

Answer 9

Packs fats and proteins and sends it to where it is needed.

Question 10

Ribosomes

Answer 10

Make proteins

Question 11

Endoplasmic Reticulum

Answer 11

Prepares proteins for transport.

Question 12

Vacuole

Answer 12

Organelle that stores water and other substances required for the cell.

Question 13

Mitochondria

Answer 13

The powerhouses of the cell where the chemical reactions occur that convert the energy the cell receives into a form it can use.

Question 14

Multicellular organisms

Answer 14

Made up of two or more cells

Question 15

Unicellular Organisms

Answer 15

Made up of one cell

Question 16

Examples of unicellular organisms

Answer 16

Mycoplasma

Amoeba

Question 17

How does an amoeba feed?

Answer 17

Pseudopods engulf food

Creates a vacuole - food is digested

Absorbed into the cytoplasm

Question 18

How does a paramecium feed?

Answer 18

Oral Groove uses cilia to sweep in food

Creates food vacuoles - food is digested and absorbed into the cytoplasm

Question 19

Diffusion

Answer 19

The movement of particles of a substance from an area of higher concentration to an area of lower concentration.

Question 20

Selectively Permeable Membrane

Answer 20

Allows some substances to pass through it, but not others

Question 21

Osmosis

Answer 21

The diffusion of water through a selectively permeable membrane