Ecosystems

Question 1

Photosynthesis equation

Answer 1

Carbon dioxide + water -> glucose + oxygen

Question 2

Anaerobic respiration equation

Answer 2

Glucose -> lactic acid + energy

Question 3

Aerobic respiration equation

Answer 3

Glucose + oxygen -> carbon dioxide + water + energy

Question 4

Fermentation

Answer 4

Glucose -> ethanol + carbon dioxide + energy

Question 5

Where does aerobic respiration take place

Answer 5

The mitochondria

Question 6

Muscles can respire anaerobically

Answer 6

This is when muscles are working hard and the blood system can’t bring oxygen and glucose quickly enough.

Question 7

Oxygen debt

Answer 7

Oxygen needed to get rid of lactic acid.

Question 8

Photosynthesis

Answer 8

A chemical reaction for plants to get food.

Question 9

Where does photosynthesis occur?

Answer 9

In chloroplasts found in leaf cells.

Question 10

Chlorophyll

Answer 10

Leaves are green because of this green pigment called chlorophyll. It also traps light from the sun

Question 11

Veins in leaves

Answer 11

Contains xylem tubes which transports water, and phloem tubes which transports glucose

Question 12

Stomata

Answer 12

Allows gases to diffuse into and out of the leaf. Guard cells open and close the stomata during the day and night.

Question 13

Palisade layer

Answer 13

Contains cells with chloroplasts. Where photosynthesis occurs.

Question 14

Spongy layer

Answer 14

Contains air spaces, allow CO2 and O2 to diffuse in and out through the leaf.

Question 15

Waxy cuticle

Answer 15

Reduces amount of water evaporating.

Question 16

4 main minerals

Answer 16

Nitrogen, potassium, magnesium, and phosphorus