Living Things

Question 1

What are the seven characteristics of living things

Answer 1

Nutrition
Respiration
Excretion
Growth
Reproduction
Movement
Response

Question 2

Nutrition

Answer 2

The way a living thing gets their food

Question 3

Respiration

Answer 3

The release of energy from food

Question 4

Excretion

Answer 4

The removal from the body of the waste products of chemical reactions

Question 5

Movement

Answer 5

Animals respond to stimuli and move from place to place

Question 6

Growth

Answer 6

All living things grow

Question 7

Reproduction

Answer 7

All living things reproduce

Question 8

Cells

Answer 8

All living things are made up of cells

Question 9

What is a vertebrae

Answer 9

An animal that has a backbone

Question 10

What are invertebrates

Answer 10

Animals with no backbone

Question 11

Chloroplasts

Answer 11

Contained in the plant cell. They contain clorophyll which plants use to make food

Question 12

Vacuole

Answer 12

Space in a plant cell filled with sap

Question 13

Cell membrane

Answer 13

A thick skin contained in both the plant and animal cell that controls what enters and leaves the cell.

Question 14

Nucleus

Answer 14

Controls the cells activities. Contained in both the plant and animal cell.

Question 15

Cytoplasm

Answer 15

A jelly like fluid in which food, minerals and salts are dissolved. Contained in both the plant and animal cell.

Question 16

What is contained in a plant cell

Answer 16

Chloroplasts, a cell wall, a vacuole, a cell membrane a nucleus and a cyroplasm

Question 17

What is contained in an animal cell

Answer 17

A cell membrane a nucleus and a cytoplasm.

Some have temporary vacuoles

Question 18

What is cell division

Answer 18

A single cell divides into two parts. These parts divide again and again. Growth in animals and plants is a result of cell division

Question 19

What is a tissue

Answer 19

A group of similar cells with a special function.

eg muscle cells, nerve cells and blood cells

Question 20

What is an organs

Answer 20

An organ is a group of tissues that work together to perform a special function. For example, a nose contains skins tissue,bone tissue and blood tissue. A leaf contains phloem and xylem tissue.

Question 21

What is a system

Answer 21

A group of organs working together.

Eg the digestive system consists of the oesophagus the stomach and the intestines.

Question 22

Describe an experiment to prepare a slide from a plant tissue

Answer 22

Place drop of water on centre of glass slide. Add a drop of iodine.
Cut onion open on cutting board and use a forceps to peel away a small piece from one of the inner layers of the onions skin.
Spread the onion skin onto the water on the slide and put cover slip over.
Examine onion cells under high power and low power magnification.
Make a sketch of the onion cells.

As a result the nuclei are easier to see.