Trophic Levels

Question 1

Autotrophs

Answer 1

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. They produce their own food therefore are sometimes called producers.

Question 2

Types of Autotrophs

Answer 2

Algae - Aquatic organisms, the largest of which are seaweeds
Phytoplankton - tiny microscopic organisms that lie in the ocean.
Bacteria.

Question 3

Heterotrophs

Answer 3

A heterotroph, or consumer, is an organism that eats other plants or animals for energy and nutrients.

Question 4

Decomposers

Answer 4

Fungi and bacteria - breakdown of dead organic matter.

Question 5

Detritivores

Answer 5

Woodlice, millipedes and worms - consume detritus (decomposing organic matter).

Question 6

Primary consumers

Answer 6

Herbivores, usually eats green plants.

Question 7

Secondary consumers

Answer 7

Eat the herbivores.

Question 8

Tertiary consumers

Answer 8

Eat the secondary consumers.

Question 9

Apex predators

Answer 9

Eat other consumers