Part 2

Question 1

What are the main plant nutrients

Answer 1

Plant nutrients are:-
• carbon dioxide from the air
• water from the soil that surrounds the roots
• dissolved minerals (compounds of nitrogen,
potassium, phosphorus, calcium, magnesium,

Question 2

What does an animal need to survive

Answer 2

carbohydrates (e.g. glucose) • fats
• proteins
• vitamins
• minerals • water

Question 3

What do fungi and bacteria grow on

Answer 3

grow on moist, nutrient-rich organic (once living) materials like dead plants

Question 4

Where does the glucose come from?

Answer 4

In animals this glucose comes from the digestion of food in the gut. The blood carries the glucose
to each cell of the body.

Question 5

What is an ecosystem

Answer 5

An area where organisums live