Food chains and webs

Question 1

Define food chain

Answer 1

It is a diagram that shows the transfer of energy between organisms ( what eats what)

Question 2

Define carnivore

Answer 2

Only eats animals

Question 3

Define herbivore

Answer 3

Only eats plants

Question 4

Define omnivore

Answer 4

Eats plants and animals

Question 5

Define consumer

Answer 5

Organisms that eat other organisms to survive

Question 6

Define producer

Answer 6

Organisms that make their own food by photosynthesis

Question 7

Define prey

Answer 7

organisms that get eaten by other organisms

Question 8

define predator

Answer 8

organisms that eat other organisms

Question 9

Define primary consumer

Answer 9

Eats producers, usually a herbivore

Question 10

Define secondary consumers

Answer 10

Eat primary consumers, usually a carnivore but can also be a herbivore

Question 11

What is the main source of energy for living organisms

Answer 11

1 Radiation from the sun (energy from the light) is the main source of energy

Question 12

What does a food chain always start with

Answer 12

a producer

Question 13

what do the arrows show

Answer 13

The arrows show the transfer of energy from one organism to the next,Arrows point from the food source to the animal which is eating (consuming) it

Question 14

Give an example of a food chain

Answer 14

Grass–> rabbit –> fox

Question 14

Give an example of a food chain

Answer 14

Grass–> rabbit –> fox

Question 15

Define tertiary consumer

Answer 15

Eats secondary consumers

Question 16

What is each level of the food chain called

Answer 16

Trophic (feeding ) level

Question 17

What are the 3 types of consumers

Answer 17

1- Carnivores
2- Herbivoes
3- Omnivores

Question 18

Grass
Rabbit
Fox
Identify the following roles

Answer 18

1- Producer
2- Primary consumer
3- Secondary consumer

Question 19

How are food chains connected?

Answer 19

Food chains are connected by food webs

Question 20

How are food chains and webs similar and different ?

Answer 20

Food chains is just one path of energy with 3-4 trophic (feeding) levels however a food web has many food chains connected and many trophic (feeding ) levels.

Question 21

How much energy?
Around 10% of the energy available at one level of a food chain is transferred to the next level. If 1000kJ of energy enters a food chain that has three links, how much energy would be transferred to the top predator?

Answer 21

10 KJ