BIOLOGY - pyramid of numbers

Question 1

what can the population of each organism in a food chain be shown in?

Answer 1

a pyramid of numbers

Question 2

what are the four roles in a food chain?

Answer 2

a producer
a primary consumer
a secondary consumer
a tertiary consumer

Question 3

what is a producer?

Answer 3

a producer is an organism that makes food

Question 4

what is an example of a producer?

Answer 4

a plant

Question 5

what is a primary consumer?

Answer 5

primary consumers are herbivores and they eat producers

Question 6

what is an example of a primary consumer?

Answer 6

a snail

Question 7

what is a secondary consumer?

Answer 7

secondary consumers are both carnivores and omnivores and they eat primary consumers

Question 8

what is an example of a secondary consumer?

Answer 8

a thrush

Question 9

what is a tertiary consumer?

Answer 9

tertiary consumers are carnivores and are at the topmost level in a food chain they feed on secondary consumers

Question 10

what is an example of a tertiary consumer?

Answer 10

a sparrowhawk

Question 11

when is the pyramid of numbers not in the shape of a pyramid?

Answer 11

when the producer is a large plant (a tree) or if one of the animals is small