1 Charaacteristics of living organisms

Question 1

What are the 7 characteristics of life (7)

Answer 1

movement

sensitivity

respiration

growth

reproduction

excretion

nutrition

Question 2

Explain movement

Answer 2

an action by an organism causing a change in position or space

Question 3

Explain respiration

Answer 3

Series of chemical reactions in livin cels that breaks down nutrient molecules and releases energy for metabolism

Question 4

Define metabolism

Answer 4

all the chemical reactions that help to keep the body alive

Question 5

Explain sensitivity

Answer 5

ability to detect and respond to changes in the around them (external environment)/ inside their bodies (internal environment)

Question 6

Explain growth

Answer 6

permanent increase in size and
dry mass by an increase in cell number or cell
size or both

Question 7

what is dry mass

Answer 7

mass without water content

Question 8

explain reproduction

Answer 8

process that maes more of the same kind of organism

Question 9

explain excretion

Answer 9

removal from the body of substances that are toxic, waste products of metabolism, and substances that are in excess.

Question 10

explain nutrition

Answer 10

taking in of materials for energy,
growth and development

Question 11

What do animals require for growth, development, and energy (3)

Answer 11

organic compounds and ions and
usually need water

Question 12

What do plants require for growth, development, and energy (4)

Answer 12

light, carbon dioxide, water and ions;